bosch dishwasher repair manual she

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Bosch SHE4AM12U Repair Instructions

• Repair instruction (27 pages)
• page of 50 Go / 50

Table of Contents

• General Hazards
• Electrical Shock / Fire Hazards
• Plumbing / Scalding Hazards

2 Installation

• Pre-Install Checklist
• Electrical Connection
• Water Connection
• Drain and Condensation Hose Connections

3 Operation

• Control Layout
• Using Controls
• Reset ("Cancel - Drain")
• Changing Basic Settings
• Special Programs (Codings)
• Sales Demo (Showroom) Program

4 Components

• Control and Power Modules
• Water Inlet / Condensation System
• Door Spring
• Terminal Box
• Aqua Sensor
• Tank with Base and Sump
• Serial Label (Warranty Information)
• Door Latches
• Water Valves
• Drain Pumps
• Water Inlet & Condensation Tube
• Inner Doors
• Door Hinge Levers
• Lower Door Seals
• Heat Pump Disassembly
• Float (Safety System)
• 2-Piece Drain Hose Connection

6 Fault Diagnostics

• Error Codes (Service / Customer)

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Summary of Contents for Bosch SHE4AM12U

Page 1: table of contents.

• Page 2 Customer service test program ........41 Troubleshooting............43 TECHNICAL SPECIFICATIONS ..50 702_58300000130262_ara_en_c Page 2 of 50...

Page 3: Safety

Page 4: installation, page 5: water connection, page 6: operation.

• Page 7 Press “>” button to scroll between Extra Dry and Rinse Aid SHE digital modes. Press “<” button to scroll to desired setting. Press Start display SHE basic settings button to save settings and exit basic settings. d:00 Extra Dry (off) d:01 Extra Dry (on) SHE LED...

Page 8: Special Programs (Codings)

Page 9: sales demo (showroom) program, page 10: components, page 11: dispenser, page 12: heat pump, page 13: drain pump, page 14: float, page 15: door spring, page 16: aqua sensor, page 17: sump parts, page 18: tank with base and sump, page 19: serial label (warranty information), page 20: repair.

• Page 21 TIP: Outer doors with foam door guards don’t need the door mix screws when removing both fascia panel and outer guards removed unless the outer door is being replaced. door (below right). 3. To remove handles from outer doors, remove two (2) screws and washers from the inside of the door.
• Page 22 5.1.3.2 Right side access (power module) 5.1.4.2 Disconnect & pull out dishwasher The power module is accessible from the right side. Tools needed: T20 Torx & #2 Phillips screwdrivers and pliers or wrench. 1. Remove toe kick – section 5.1.4.1. 2.
• Page 23 6. Slide dishwasher out completely (below). 1. Water inlet valve 2. Sump 3. Drain pump 4. Terminal box 5. Float 6. Heat pump 7. Aqua sensor 5.1.5 Bottom access 5.1.6 Flipping dishwashers The water inlet valve (1), drain pump (3), terminal box (4), float Follow these instructions to flip dishwashers upside-down or on (5), heat pump (6) and aqua sensor (7) are accessible from the their backs for bottom access.

Page 24: Controls

• Page 25 3. Disconnect wire harnesses from control. 5.2.2 Fascia panel mounted controls (front button models) 4. Remove handle trays (1) before removing controls (2). To Controls are easily removed from fascia panels by prying plastic remove handle trays, carefully pry in plastic clips. tabs.
• Page 26 5.2.3 Base mounted controls (power modules) 5.2.3.2 To remove base-mounted controls Power modules are located in the base on the right side of Tools needed: Flat blade screwdriver dishwashers, not behind fascia panels. So: 1. Two plastic base tabs hold the power module in place. To ...

Page 27: Dispensers

Page 28: door latches, page 29: water valves, page 30: drain pumps, page 31: sump parts, page 32: inner doors, page 33: lower door seals, page 34: float (safety system), page 35: 2-piece drain hose connection, page 36: fault diagnostics.

• Page 37 6.1.3 Explaining digital and LED error code displays 6.1.4 Error code troubleshooting Digital error codes only show on dishwashers with digital 6.1.4.1 No failures displays. Dishwashers without digital displays show the same LED display for many error codes, so the exact error code can’t be LED display Digital display determined.
• Page 38 6.1.4.3 Door latch error codes 6.1.4.4 Heat pump error codes (heating) LED display LED display Digital display Digital display E:06 Sensor error E:08 No load in heat pump    Door latch sensor not detected,  No water in heat pump functional safety error.
• Page 39 6.1.4.6 Heat pump error codes (circulating) Digital error codes E:08 – E:13 are shown with one LED display: They have LED display different causes, such as faulty Digital display heat pump, faulty power E:20 Heater error  module or insufficient water ...
• Page 40 6.1.4.7 Drain pump error codes 6.1.4.9 Aqua sensor error codes LED display LED display Digital display Digital display  E:28 Calibration failure E:23 Coil error   Aqua sensor failed to calibrate  System check of drain pump motor coil failed, functional safety error. ...
• Page 41 6.2.1.2 SHX “Integra” models Customer service test program Press and hold “<” and “>”buttons, then turn dishwasher on. 6.2.1 Entering customer service test program Regular Wash light will flash and Quick Wash light will be lit (see below). Press “<” button once to scroll to customer service 6.2.1.1 SHE “Evolution”...
• Page 42 6.2.2 Viewing customer service program Customer Service Program Displayed Can advance Water Step step Action step Time Temperature amount Remarks Check Coil Checks pumps and other components (when switched on) Drain Pump Drain pump O K Filling partly 3.0 L Checks if water level above filter level Pause Checks water level...
• Page 43 6.3.1.2 Disabled or faulty pumps Troubleshooting If the dishwasher won’t start, check if the following parts are 6.3.1 Dishwasher won’t start disconnected or disabled. If they aren’t connected, reconnect them. If faulty, replace them. 6.3.1.1 Door ajar or faulty door latch ...
• Page 44 6.3.3 Heat pump terminal measurements 6.3.4 Drain pump There are two connectors, 7-pin and 3-pin. There is a single 3-pin connector, connecting to the 3-pole BLDC pump motor. 6.3.3.1 7-pin connector (heater / NTC’s / pump ground) Resistances as follows: The 7-pin connector connects to the heat pump heater, NTC’s 1 –...
• Page 45 6.3.6 Troubleshooting chart Error Code LED's -- DW Symptoms Error Code Display (seen (from cs Active / Clean / Sanitized Solution during wash cycles) test program) No errors No errors. E:00 Wash cycle abruptly ends pump starting Replace power module (located in base). E:01 with Clean LED glowing switching defect...
• Page 46 Error Code LED's -- DW Symptoms Error Code Display (seen (from cs Active / Clean / Sanitized Solution during wash cycles) test program) LED is flashing & dw can't E:06 defective door latch Check continuity between door switch (e1) and power module harness operate connector.
• Page 47 Error Code LED's -- DW Symptoms Error Code Display (seen (from cs Active / Clean / Sanitized Solution during wash cycles) test program) Make sure water inlet valve isn't stuck "open". Water doesn’t fill & drain Check float switch and wire harness (to power module). pump runs (cont) Aqua sensor doesn't run aqua...
• Page 48 Error Code LED's -- DW Symptoms Error Code Display (seen (from cs Active / Clean / Sanitized Solution during wash cycles) test program) Measure voltage between outer most dispenser terminals (1-3 on e3). If ≈ 13VDC, replace dispenser. If not, replace operating module. No drying No rinse aid Educate customer on using and refilling rinse aid.
• Page 49 6.3.7 Strip circuits 702_58300000130262_ara_en_c Page 49 of 50...
• Page 50 TECHNICAL SPECIFICATIONS Dishwasher ratings – 120 VAC, 60 Hz, 12 A, 1450 W Heater ratings – 120 VAC, 1200 W Circulation pump – 120 VAC, 80 W, 3-pole BLDC, class F insulation Drain pump – 3-pole BLDC, 35-65 Hz, 0.19A, 20W, class F insulation Max drain hose length –...

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BOSCHDishwasher Repair Manual

FOR MODELS:

4302 43066802 68056806

3002 30063012 30164002 40064016 40224026 40364302 43064312 43165302 53045305 53065312 53145315 53166802 68056806

BSH Home Appliances2800 South 25th AvenueBroadview, Illinois 60153

Effective: December 1, 1998 1st Edition/Rev. 0

Introduction

This Repair Manual is designed to assist you in the evaluation, diagnosis and repair ofthe current SHI, SHU and SHV model dishwasher series. To better understand theseappliances, their operation and construction we suggest that you read this manualthoroughly before attempting any repairs.

All information is current at the time of printing.

Table of Contents

Description Page

Section 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Warranty / Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Model / Serial Number Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 – 7Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Section 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Operation, SHU 3002 / 3006 / 3012 / 3016 / 4002 / 4006 / 4016 / 4022 / 4026 / 4036 . 10Cycle Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Operation, SHI 4302 / 4306 — SHU 4302 / 4306 / 4312 / 4316 . . . . . . . . . . . . . . . . . . . . . . 12Cycle Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Operation, SHU 5302 / 5304 / 5305 / 5306 / 5312 / 5314 / 5315 / 5316 . . . . . . . . . . . . . . 14Cycle Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Operation, SHI / SHU 6802 / 6805 / 6806 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16Cycle Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Section 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Rack System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 – 21Interior Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 – 25Detergent / Rinse-Agent Dispenser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26Washability / Drying . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

SERVICE REMINDER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Section 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29Outer Door Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30Door Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31Dispenser Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32Dispenser Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33Facia Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 – 35Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Section 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37Base Components – Front Accessible: Electrical Connection . . . . . . . . . . . . . . . . . . . . . . . . . 38

Circulation Motor Capacitor . . . . . . . . . . . . . . . . . . . . 38Leveling Legs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39Water Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39Drain Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 — 41

SERVICE REMINDER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Section 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43Left Side Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44Left Side Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45Water Inlet / Discharge System – Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46 – 47Water Inlet / Discharge System – Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Section 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49Right Side Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50Right Side Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51NTC Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52NTC Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53 – 57Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Section 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59Tank Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 – 62Base Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63Circulation Pump / Motor Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64Circulation Pump / Motor Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65Heater Assembly Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66Heater Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67Aqua Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68Door Spring Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Section 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71Wiring Diagrams / Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72 – 84

Test Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Diagram 1

SHI 4302 / 4306 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Diagrams 1, 8, 9SHI 6802 / 6805 / 6806 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Diagrams 1, 8, 11SHU 3002 / 3006 / 3012 / 3016 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Diagrams 2, 3, 4SHU 4002 / 4006 / 4016 / 4022 / 4026 / 4036 . . . . . . . . . . . . . . . . . . . . . . Diagrams 5, 6, 7SHU 4302 / 4306 / 4312 / 4316 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Diagrams 1, 8, 9SHU 5302 / 5304 / 5305 / 5306 / 5312 / 5314 / 5315 / 5316 . . . . . . . . . Diagrams 1, 8, 10SHU 6802 / 6805 / 6806 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Diagrams 1, 8, 11SHV 4303 / 4803 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Diagrams 12, 13

Warranty / Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Model / Serial Number Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 – 7

Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Warranty / Technical Specifications

1st Year Parts & Labor.2nd Year Parts only.3rd – 5th Year Electronic Boards, parts only.3rd – 5th Year Racks, parts only.

This does not include rack wheels; silverware baskets or plastic shelving.

Lifetime Stainless Steel.Must receive a special authorization before attempting any repairs or replacement.

Cosmetic items, Facia and Door Panels are only warranted against manufacturing defects. In the event of a scratch ordent have the customer contact the Customer Service Department.

CUSTOMER SERVICE 800-944-2904

TECHNICAL SERVICE 888-522-6724

Technical Specifications

*always disconnect both component leads before measuring for resistance.

Electrical Warning:

To avoid personal injury and/or property damage it is important that safe servicing practices and procedures are observed atall times. Disconnect the electrical service before attempting any repairs, and live tests are to be performed by experiencedand qualified service personnel only.

Electrical RequirementsRating 120V / 60HzDedicated Circuit 15 AmpTotal Amps (load rated) 11 Amp

Water SupplySuggested Incoming Temp. 140° fPSI Min / Max 20 / 60Water Connection 3/8” Copper or Flexible Stainless Steel

Component ValuesComponent Ohms* Amperage OtherWater Valve 1K — —Drain Motor 16 .75 —

Circulation Motor 10 1.25 —NTC 55K at room temp.

(75° f)— Resistance decreases as

temperature increasesPTC (actuator) 200 — —

Heater 10.5 9.75 1200 watts

Model / Serial Number Location

Fig. 1-1 Fig. 1-2

Located on the right hand side of the Inner Door is the Model and Serial number tag, Fig. 1-1.The Model and Serial numbers can be found on the left side of the tag within the black outline box, Fig. 1-2.The Model Number for this unit is SHU 5312 UC/U06.

Located just under the Model Number is the ten-digit Serial Number.The Serial Number for this unit is FD 7801 123456.

Service note: A second Model and Serial number tag is located on the Base, see Section 5, Fig. 10-1.

Product Overview

Drain Motor

Lower Spray Arm

Upper Spray Arm

Aqua SensorNTC

Flow Switch

Circulation Motor / Pump

Flow Through Heater

Impeller Cover

The Bosch dishwasher utilizes a two motor system with separate Circulation and Drain Motors, and aFlow Through Heater controlled by a Flow Switch and NTC Thermistor. With some models also havingthe advanced logic feature of an Aqua Sensor turbidity measuring devise, Fig. 2-1.

• A two motor system allows each motor to be designed for a single function, thus reducing overallsize and energy consumption. While also reducing operating noise.

• The Flow-Through Heater allows a shorter heating cycle since all water must pass through theHeater, increasing water temperature by approximately two degrees a minute. To protect theheater from dry fire, the Flow Switch will not allow the Heater to activate unless water is flowing.

• Water temperature is controlled by the NTC (negative temperature coefficient). As watertemperature increases the NTC records the decrease in resistance. The Control Unit Logic Boardmeasures this resistance change and allows the program to advance once the correcttemperature (resistance level) is reached.

• The Aqua Sensor turbidity measuring device, which is available only on select models, evaluatesthe pre-wash water using a beam of light and a pick-up sensor. If the beam passes easily throughthe pre-wash water then no additional wash water is added. If the beam cannot pass through,then the pre-wash water is drained and a fresh fill is added for the main wash cycle.

The heated water then advances through the system via a four level wash system that uses both anupper and lower spray arm as well as an overhead sprayer, Fig. 2-2.

Overhead Spray

Upper Spray ArmCoupling

Sump Flow ThroughHeater

Aqua Sensor

Operation, SHU 3002 / 3006 / 3012 / 3016 / 4002 / 4006 / 4016 / 4022 / 4026 / 4036 . 10

Cycle Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Operation, SHI 4302 / 4306

SHU 4302 / 4306 / 4312 / 4316 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Cycle Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Operation, SHU 5302 / 5304 / 5305 / 5306 / 5312 / 5314 / 5315 / 5316 . . . . . . . . . . . . . . 14

Cycle Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Operation, SHI & SHU 6802 / 6805 / 6806 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Cycle Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Fig. 3-1 Fig. 3-2

OperationSHU 3002/3006/3012/3016/4002/4006/4016/4022/4026/4036

The SHU 30** and 40** are both mechanical units that operate using a basic Timer and Selector Switch.

TO OPERATE EITHER MODEL, (a SHU 4006 is shown):

First select a cycle by pushing the corresponding Cycle Button in. The Cycle Button remains inthe indented position until another cycle is chosen.

Now, depress the On/Off Button until it locks in place and the On LED illuminates.

Note: The On lamp will remain illuminated until the On/Off Button is depressed a second timeturning the unit off.

If the door is opened during the cycle, the On/Off Button will be reset to off and mustagain be depressed to re-active the unit.

Then, turn the Timer Knob slowly clockwise to the start position and release. You will hear theDrain Motor activate.

The Timer Knob will continue to advance clockwise back to the twelve O’clock position until thecycle is complete.

Please note: During the Rinse & Hold Cycle the Timer Knob will only advance to the two O’clockposition and then stop, indicating the end of the Rinse & Hold cycle.

Cycle ChartSHU 3002/3006/3012/3016/4002/4006/4016/4022/4026/4036

Delicate cycle not used on SHU 3002/3006/3012/3016

Rinse-aid161˚F

Type of dishwaree.g. china,

pots/pans,cutlery,glasses,etc.

Cycle sequence

Cycle detailsDuration in minutesWater consumptionin gallonsWater consumptionin liters

Type of foodremains

Amount offood remains

Condition offood remains

Shown above are the range of values that may be obtained while running the dishwasher under normalconditions. Actual values may vary. The actual cycle duration, water and energy usage are dependent uponinlet water temperature.

Non-deli-cate

Soups, casseroles,sauces, potatoes,pasta, rice, eggs,roast or fried food

stuck on hard

a lot a little a little very little

RegularWash

Pre-rinse Pre-rinse

Rinse& Hold

Soups, potatoes,pasta, rice, eggs,roast or fried food

Coffee, cakes, milk,salami, cold drinks,

Mixed MixedDelicate

loosely attached

DelicateWash

Fig. 3-3 Fig. 3-4

OperationSHI 4302/4306 SHU 4302/4306/4312/4316

The SHI or SHU 43** series operates using an electronic Control Unit.

TO OPERATE:

First depress the On/Off Button until it locks in place.

Once the On/Off Button is depressed the LED above the previously used cycle will illuminate.

To change the cycle, simply press the desired Cycle Button twice. The LED above that cycle willthen illuminate.

As the program advances the Cycle Progress LED’s will illuminate (wash, rinse / dry). When thecycle is complete the Clean LED will be illuminated.

TO CANCEL A CYCLE:

Press the Power Scrub Plus and Regular Wash Buttons both in at the same time. The unit willthen drain and the Clean LED will illuminate.

Please note: If the door is opened during the cycle, the On/Off Button will be reset to off andmustbe depressed again to re-active the cycle. The cycle will resume from where it left off.

SecondRinse

First Rinse

Pre-wash125˚F

PowerScrubPlus

7.1 5.4 1.26

Cycle ChartSHI 4302/4306 SHU 4302/4306/4312/4316

Fig. 3-5 Fig. 3-6

OperationSHU 5302/5304/5305/5306/5312/5314/5315/5316

The SHU 53** series operates using an electronic Control Unit.

Once the On/Off Button is depressed the LED above the previously used cycle will illuminate. To change the cycle, simply pressthe desired Cycle Button twice. The LED above that cycle will then illuminate.

The Cycle Countdown will display an approximate run time for the cycle chosen. This run time will depend on incoming watertemperature and the turbidity of the pre-wash water.

Note: It is normal for the Countdown Display to remain at a time increment for more than one minute, or skip a time incrementdepending on the calculations of the Control Unit.

Also, with continued use the Control Unit will learn the wash and temperature patterns for the most commonly usedprograms and will then reduce the overall start and running times.

At the end of the cycle the display will show a CL, indicating that the cycle is complete.

Press the Scrub Wash and Delicate / Econo Buttons both in at the same time. The unit will then drain and the figure CL willappear in the display.

DELAY START:

The Delay Start feature allows the unit to be delayed for up to nine hours. To program, start the unit as described above, butafter selecting a cycle push the Delay Start button. The display will show a 1h, or one-hour delay. Continue to depress theDelay Start Button until the desired delay time is reached (up to nine hours, 9h).

The unit will begin automatically once the delay time has elapsed. To reset the delay, press the Delay Start Button until it reaches 0h.

REFILL RINSE AGENT LED:

The Refill Rinse Agent LED is activated via a Reed Switch on the Detergent Dispenser, Section 4, Fig. 8-3. The LED willilluminate when the Rinse Agent Dispenser is empty.

Service note: The Refill Rinse Agent LED will also illuminate when the dishwasher door is opened and thenclosed even if the Dispenser is full, but will only remain lit for a few seconds.

An “F” in the display window indicates a filling fault, see Section 6, Fig. 12-1 through Fig.12-6.

Please note: If the door is opened during the cycle, the On/Off Button will be reset to off and must be depressed againto re-active the cycle. The cycle will resume from where it left off.

Cycle ChartSHU 5302/5304/5305/5306/5312/5314/5315/5316

The Bosch Sensotronic™ will reduce water consumption by approximately 20%, in the case of lightly soileddishes. When Top Rack Only™ feature is used the water consumption is reduced approximately 30%.Shown above are the range of values that may be obtained while running the dishwasher under normalconditions. Actual values may vary. The actual cycle duration, water and energy usage are dependent uponinlet water temperature and amount of soil on dishware.

Delicate/Economy

Rinse-aid155˚F

Fig. 3-7 Fig. 3-8

OperationSHI/SHU 6802/6805/6806

The SHI / SHU 68** series operates using an electronic Control Unit.

Fig. 3-7.First depress the On/Off Button until it locks in place.

Fig. 3-8.Once the On/Off Button is depressed the LED above the previously used cycle will illuminate. To change the cycle, simply pressthe desired Cycle Button twice. The LED above that cycle will then illuminate.

TO CANCEL A CYCLE:Press the Scrub Wash and Delicate / Econo Buttons both in at the same time. The unit will then drain and the figure CL willappear in the display.

TOP RACK ONLY:The Top Rack Only feature can be used in conjunction with any cycle. To active, press the Top Rack Only Button after selecting acycle, the Top Rack Only LED will illuminate and all water will be diverted to the upper wash arm for the complete cycle.

REFILL RINSE AGENT LED:The Refill Rinse Agent LED is activated via a Reed Switch on the Detergent Dispenser, Section 4, Fig. 8-3. The LED willilluminate when the Rinse Agent Dispenser is empty.

Cycle ChartSHI/SHU 6802/6805/6806

Rinse-aid140˚F

Rack System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 – 21

Interior Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 – 25

Detergent / Rinse-Agent Dispenser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Washability / Drying . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Fig. 4-2 Fig. 4-3

Rack System

Rack configurations for individual dishwashermodels will vary. However, all Racks areconstructed from a steel wire grid with a graynylon outer covering.

Note: Racks may discolor due to the watersupply or types of food remaining onthe dishes. We recommend that avinegar wash be used to assist inremoving these stains.

Start the unit, and let run approximatelyten minutes, then pour in two cups ofwhite vinegar and let the unit completethe cycle, repeat if necessary.

On select models the Upper Rack is heightadjustable. To adjust rack height, or to remove theRack from the unit.

Fully extend the Rack as shown in Fig. 4-2

Note how the Rack Rollers are designed to rideon the outside of the Rails for a smootheroperation.

With the Rack fully extended. Lift up on the Rackuntil the Front Rollers disengage from the Rail.

Now bring the Rack out further and allow theRear Wheels to disengage.

Rollers: Rack Rollers are a press fit makingfor easy removal and replacement.

Fig. 4-4 Fig. 4-5

Attached to the Upper Rack is the Upper Spray Arm Assembly.

The Upper Spray Arm can be removed from the Upper Spray Arm Assembly for cleaning orreplacement by turning the Arm Nut counter-clockwise, Fig. 4-4.

And then bringing the Arm down and off the Arm Assembly, Fig. 4-5.

Interior Features

Interior features for all model dishwasher covered in this repair manual are identical. Thosefeatures include:

1. Strike Plate. The Strike Plate is in a fixed position and cannot be adjusted.2. Upper Rack Rails and Guide Rollers.3. Door Gasket4. Lower Spray Arm5. Filter Basket6. Filter Screen7. Feeder Tube Assembly

Fig. 5-2 Fig. 5-3

Fig. 5-5 Fig. 5-6The Door Gasket is press fit into a channelmolded around the Tank.

Note: Two inches of overlap are left at each endof the Gasket to insure a proper seal.

The Upper Rack Rails are madeof stainless steel with a plasticend cap.

To remove the Rail, disengagethe End Cap by applyingoutward pressure to the Cap’stop tab, unclipping it from theRail. Then slide the Rail out fromthe Guide Rollers.

The Upper Rack Guide Rollersare permanently attached to theTank and cannot be removed orrepaired.

To remove the Gasket, simply pull it away from theTank Channel.

To replace, press the ribbed end firmly into thechannel until secure. No sealant or glue is required.

Service tip: To test for a bad Door Gasket, open the dishwasher door and insert a dollar bill, thenclose the door and pull the bill out. If the bill is snug the Gasket is good, if the bill slidesout easily the Door Gasket may need to be replaced.

Fig. 5-11 Fig. 5-12

Fig. 5-7 Fig. 5-8

Fig. 5-9 Fig. 5-10

Fig. 5-7 The operating water level of the dishwasher is at approximately the upper edge of the filter basket.

Fig. 5-8 The Lower Spray Arm is press fit into the Feeder Tube Socket.

To remove the Arm, grasp the Arm Hub and pull up until the Arm disengages from the Socket.

The Arm or Arm Socket can now be checked for debris.

Fig. 5-9 The Filter Basket is removed by turning it ninety degrees counter-clockwise.

Fig. 5-10 Then lift it out for cleaning.

The Filter is a fine mesh of stainless steel and should be inspected and cleaned at leastonce a month.

Fig. 5-11 With the Filter Basket removed, the filter screen can then be lifted out.

The Filter Screen is also made of stainless steel, and was designed with rolled ends toeliminate sharp edges. It too should be inspected and cleaned at least once a month.

Fig. 5-12 With the Filter Screens removed you now have access to the sump area.

The Sump has a Drain Intake on the left, and the Circulation Pump Intake on the right.

A removable cover, item 1, hides the Drain Impeller. To remove the cover, remove the singleT-20 Torx screw and then lift the cover off. You may now examine the Impeller for anyobstructions.

The Feeder Tube Assembly allows water to flow to the Lower, then Upper Spray Arms andthen to the Top Sprayer Head. It is replaced as a complete assembly by first removing thetwo T-20 Torx screws, item 2, at its base.

Then bring the tube up and off the Sump Housing, and remove it from the retaining cliplocated on the rear wall.

Detergent / Rinse-Agent Dispenser

Located on the Inner Door is the Detergent / RinseAgent Dispenser, Fig. 6-1.

The Dispenser Housing is one assembly containingthree individual components.

Rinse Agent Dispenser.

Detergent Cup.

Steam Vent.

Note: Mechanical operation and removal of theDispenser is shown in Section 4.

To fill or adjust the Rinse Agent Dispenser, openthe Rinse Agent Door by pulling up on the DoorLatch.

The Dosage Meter, item 1, is now visible. TheDosage Meter allows you to adjust the amount ofRinse Agent dispensed into the rinse stage of thecycle. The factory setting is three.

There is also an eyepiece, item 2, that provides avisual indication as to the amount of Rinse Agentremaining in the Dispenser.

To the right of the Rinse Agent Dispenser is theDetergent Cup, item 1.

Once detergent has been loaded into the cup, slidethe Detergent Door, item 2, closed.

When the door is fully closed press down on thedoor end to lock it.

A white Locking Lever, item 1, will then extend.Once closed, the detergent door may be releasedby pressing in on the Locking Lever.

With the Detergent Door closed the Steam Vent isnow visible, item 2.

During the drying stage of the cycle, steam isdrawn through the vent and collects in aCondensation Tube.

Washability / Drying

WASHABILITY

There are four factors that play a critical role in Washability: Time, Temperature, Water and Detergent. Itis important when attempting to determine the cause of a Washability complaint that all four factors beconsidered and tested.

Time: The duration of the program is accurate (see cycle chart).

Temperature: The wash and rinse temperatures are within the desired range (see cycle chart).

Water: The unit is filling with the correct amount of water (Section 3, Fig.5-7)

Detergent: The detergent is fresh, and not being used in excessive amounts.

Please note: Other factors such as clean filters, a properly routed drain hose, water hardness andquality, as well as loading of items will also effect Washability.

As part of an energy saving design Bosch Dishwashers do not activate the Heating Element during theDrying cycle. Instead, the dishwasher utilizes a rinse temperature of up to 161° Fahrenheit, and theaddition of Rinse Agent to achieve a quality drying result.

HOW THIS SYSTEM FUNCTIONS:

During the rinse cycle water is heated to 161° Fahrenheit, this heat is transferred to the items inthe dishwasher where it is absorb and stored.

During the drying portion of the cycle all dishwasher items will then radiate the stored heat, thusevaporating any water that has collected on the items surface, burning it off and converting theliquid into steam.

This process of “flash drying” is assisted by the release of Rinse Agent into the rinse water. RinseAgent is a water softener that inhibits water from collecting or pooling, allowing it to be easilyevaporated.

The remaining steam is vented from the interior through the Steam Vent (Fig. 6-4, item 2) where itis then collected by, and drained from the Condensation Tube (Section 4, Fig. 7-5, item 2).

Service note: When confronted with a drying complaint, make sure the Rinse Agent Dispenser is full,and the rinse water temperature is within the desired range. Please remember that theunit will not dry without Rinse Agent.

Service Reminder

From this point in the manual only the technical features and components of theSHU 5312 will be demonstrated.

However, due to the overwhelming similarities between the model SHU 5312 and theremaining Bosch Dishwasher line, you will be able to easily diagnose and repair allcurrent Bosch model SHU, SHI and SHV Dishwashers.

Outer Door Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Door Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Dispenser Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Dispenser Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Facia Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 – 35

Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Outer Door Removal

Fig. 7-1 Fig. 7-2

To remove the Outer Door, open the door and remove thesix T-20 Torx screws located three on each side of the InnerStainless Door, Fig. 7-1.

Return the door back to its upright position, and bring thebottom of the Door Panel out toward you, then slide the top ofthe panel down and out from under the Facia Panel, Fig. 7-2.

As the Outer Door is being removed, the left or right DoorGuards may shift or fall out of place, Fig. 7-3.

To reposition them, slide them back in over the hinge, Fig. 7-4,lining up the door guard square tab with the hinge leversquare notch.

Please note: Door Guards must be in place beforereinstalling the Door Panel. Door Guards arenot used on SHI or SHV models.

Door Compoments

Once the Outer Door has been removed the following components become visible.

1. Dispenser Assembly2. Condensation Tube3. Upper Wiring Harness4. Door Guards5. Door Seal6. Bituminious Insulation7. Cloth Fiber Insulation

Also note the Toe Kick, item 8, and the Toe Kick Mounting Screws, item 9.

Dispenser Operation

Fig. 8-1 Fig. 8-2

Fig. 8-3 Fig. 8-4

When the Dispenser requires Rinse Agent a Magnetic Float, Fig. 8-3, item 1, will lower and draw thecontacts of a Reed Switch, Fig. 8-3, item 2, together. This completes the circuit, and activates the RefillRinse Agent LED located on the Facia Panel.

To remove the Reed Switch, first disconnect the Wiring Connector. Now, using a small screwdriverpush in on the Reed Switch Mounting Tab, Fig. 8-3.

As you push in on the mounting tab, use a needle-nose pliers to bring the switch down and out from theDispenser, Fig. 8-4.

The Dispenser Assembly operates via a PTCActuator (wax motor), item 1.

When voltage is applied to the Actuator itadvances a Combination Lever, item 2.

The Combination Lever allows the Soap Door to open,and later in the cycle dispenses the Rinse Agent.

To remove the Actuator, first disconnect theWiring Connector. Then, using a smallscrewdriver, release the locking tab….

…and bring the Actuator out from the Dispenser.

Please note: The Combination Lever cannot bereplaced individually, but only aspart of a new Dispenser Assembly.

Dispenser Removal

Fig. 8-5 Fig. 8-6

If required, the Dispenser Assembly can be replaced as a complete unit.

First remove the:

Upper Rack (Section 3, Fig. 4-3).

Wiring Connectors for the PTC Actuator, Reed Switch and Condensation Tube.

The Condensation Tube is inserted into the right side of the Dispenser with a gasketseal, and press fit along the right side of the Inner Stainless Steel Door.

To remove, first remove any securing tape or wire ties for both the Condensation Tubeand Upper Wiring Harness. Then, disengage the tube from the door by pulling it towardyou, and sliding the tube out from the Dispenser.

Now, using a broad tipped regular screwdriver spread the top and bottom metal positioningstrips away from the Dispenser, Fig. 8-5.

Then apply light pressure to the Dispenser, and break the seal between it and the InnerStainless Steel Door, Fig. 8-6.

TO INSTALL:

Clean the inner portion of the stainless steel door where the Dispenser Gasket will seat. Thenbend the positioning strips back into place, straightening them if necessary.

Now, insert the new Dispenser making sure the positioning strips fit snugly against the DispenserBody. The Dispenser Gasket will make a watertight seal so caulk or sealant is not required.

Replace the Condensation Tube, Wiring Connectors and Upper Rack.

Facia Assembly

Fig. 9-2 Fig. 9-3

IMPORTANT SERVICE NOTE:

The Facia Assembly cannot beremoved unless the Outer Door isremoved first.

See section 4, Fig. 7-1.

FACIA ASSEMBLY REMOVAL:

After removing the Outer Door, removethe six T-20 Torx screws securing theFacia Assembly to the Inner Stainlessdoor, Fig. 9-1.

With the screws removed, bring the FaciaAssembly down cradling it so as not to scratchthe Facia Console.

Now remove the Wiring Connectors by pressing inon the locking tabs of each connector, then slidingthe connector up and off from the Control Unit.

With the Facia Assembly removed fromthe unit, it can be further separated intotwo assemblies.

To separate, release the four lockingtabs and bring the Facia Frame up fromthe Facia Console, Fig. 9-4.

The Facia Frame houses threecomponents:

Item 1,On/Off Switch.Item 2,Door Latch Assembly.Item 3,Control Unit.

Note: The Facia Console or ProgramButtons can be replaced at thistime.

ON/OFF SWITCH REMOVAL:

Bend the single tab up, item 1.

Then slide the switch up and out fromthe frame, and remove the LockingLever, item 2.

Note: The Locking Lever, item 2,switches the unit off when thedoor is opened during operation.

DOOR LATCH ASSEMBLY REMOVAL:

Bend the two tabs up and slide theLatch down.

CONTROL UNIT REMOVAL:

Press in on the three locking tabs andbring the Control Unit out from theConsole Frame.

Note: Always reset the new Control Unitby pressing the appropriatecancellation buttons, see Section 2.

Section 5Description Page

Base Components – Front Accessible: Electrical Connection . . . . . . . . . . . . . . . . . . . . . . . . . 38Circulation Motor Capacitor . . . . . . . . . . . . . . . . . . . 38Leveling Legs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39Water Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39Drain Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 — 41

Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Base Components – Front Accessible

The electrical connection, item 1, is a threewire hook-up that is secured with wire-nuts.

The color code is as follows:

Black = HotWhite = NeutralGreen = Ground

The Circulation Motor Capacitor, item 2, isa 10uf-Start/Run Capacitor held to theCirculation Motor with a single 13mm nut.The Capacitor can be replaced as aseparate component without removing theCirculation Motor.

Service note: To gain access to the Front Accessible LowerComponents remove the Toe Kick. Also, forbetter visibility it is strongly recommended thatthe Outer Door be removed as well.

The Front Accessible Lower Components consist of the following items.

1. Electrical Connection.2. Circulation Motor Capacitor.3. Front Leveling Legs.4. Model and Serial number tag.5. Rear Leveling Leg adjustment screw.6. Water Solenoid Valve.7. Access Panel.8. Drain Motor.9. Circulation Motor.

The Circulation Motor cannot be replaced from thefront, but is accessible for voltage or wiring testing.

10. Door Spring Adjustment Screws.The adjustment can only be made when an accessorydoor panel is added to the unit. Turning the screwclockwise will balance the additional weight of theadded panel.

Fig. 10-3 Fig. 10-4

Fig. 10-5 Fig. 10-6

The front Leveling Legs can be adjusted by inserting aregular tipped screwdriver into the foot slot andturning the leg in the desired direction.

The Rear Leg Adjustment Screw, item 1, allows thesingle Rear Leveling Leg to be adjusted from the frontof the unit. Turning the screw clockwise will extendthe leg, and counter-clockwise retracts it.

For convenience an additional Serial Number Tag,item 2, is located on the Base.

To replace the Water Solenoid Valve, first remove thetwo T-20 Torx valve mounting screws.

Then bring the Water Valve out from the Base, anddisconnect the water line by loosening the Water LineClamp (arrow) and removing the wiring leads.

Service note: To provide the requiredaccess that will allow theDrain Motor to be replaced,the Lower Access Panelmust be removed, and aspreviously mentioned theOuter Door Panel shouldalso be removed.

As demonstrated in Figs. 10-7 and 10-8,with the Lower Access Panel removedyou gain all the space required to replacethe Drain Motor, Fig. 10-8, item 1, as wellas allowing better visibility to theCirculation Motor Wiring, Fig.10-8, item 2,rear components, wiring and hoses.

To remove the Lower Access Panel, Fig.10-7, item 1, remove the two T-20 Torxscrews located in the left and rightcorners of the panel.

Fig. 10-9 Fig. 10-10

Fig. 10-11 Fig. 10-12 Fig. 10-13

Cut Away View

To remove the Drain Motor, item 1, first remove theSump Fill Hose, item 2, by pulling it out from theSump and side inlet connections (see Fig. 10-10)

This cut away view shows:Item 1, Drain Motor.Item 2, Drain Motor Locking Tab.Item 3, the Sump Fill Hose and its two

connection points A and B.

Next, remove the wiringconnectors and then whilepulling back on the Locking Tab,turn the Drain Motor clockwise.

Continue turning the Drain Motorclockwise until it reaches the twoO’clock stop position. Thenbring the motor out from theSump.

The Drain Motor is mounted tothe Sump using a slot and tab fit.To install the Drain Motor, insert itback into the Sump at the twoO’clock position making sure thatall three slots and tabs line up,then turn counter-clockwise untilsecure and the Locking Tab locks.

From this point forward, all service procedures demonstrated in the remainder of thisrepair manual, will require the dishwasher to be disconnected and removed from thecabinet for servicing.

Left Side Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Left Side Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Water Inlet / Discharge System – Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46 – 47

Water Inlet / Discharge System – Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Left Side Access

Fig. 11-2 Fig. 11-3

LEFT SIDE PANEL REMOVAL:

Remove the two T-20 Torx screws locatedon the top and bottom of the Left Trim Strip,Fig. 11-1, and then slide the Trim Strip upand off the unit.

Figs. 11-2 and 11-3

The Side Panel is press fit onto the Frontand Rear Corner Blocks of the dishwasher.To remove the panel, gently lift up on thefront corner disengaging it from the FrontCorner Block, arrow A. Then bring thepanels back corner off the rear block whilemoving the panel toward the rear of thedishwasher, arrow B.

Bring the panel out from the side of the unitabout forty-five degrees, and then lift it outfrom the Base Lip.

Left Side Components

With the Left Side Panel removed you now have access to the following components:

1. Corner Blocks.2. Cloth Fiber Insulation Panel.3. Drain Hoses.4. Water Chamber.5. Inlet Water Line.6. Water Level Housing Assembly.7. Sump Fill Hose.8. Left Hinge.

Fig. 12-2 Fig. 12-3 Fig. 12-4

Normal Fill Over Fill Base Float

Water Inlet / Discharge System – Operation

WATER SYSTEM OPERATION: Fig. 12-1 is a close up view of the complete Water Systems.

NORMAL OPERATION (Fig. 12-2)

Fresh water is brought in by the Water Valve and through the Inlet Water Line, item 3. Theincoming water is then directed into the Water Level Housing Assembly, item 4, and then on to theSump via the Sump Fill Hose, item 8.

As the unit fills with water the Diaphragm on the Water Level Housing Assembly expands due tothe pressure of air forced up by the incoming water. When the correct water level is reached theDiaphragm moves the Switch Lever, which in turn closes the Water Level Switch.

When the Water Level Switch closes the Water Valve shuts and the Circulation Motor is activated,and the program advances.

Note: Once the Circulation Motor is activated the water level will drop slightly, the unit thencalls for a small amount of additional water to be added.

OVER FILL (Fig. 12-3)

As a safety feature, if the Diaphragm were to malfunction the water level would rise and activatethe Safety Float, item 5. As the Safety Float rises it in turn closes the Float Switch, item 6. Whenthe Float Switch closes it activates the Drain Motor.

Service tip: If the dishwasher repeatedly fills and drains the cause is most likely a faultyDiaphragm.

BASE FLOAT (Fig. 12-4)

As an additional safety feature, if the Base were to fill with water due to a hose or pump leak theBase Float, item 9, will rise and via a Float Lever and Pushrod, item 8, would close the FloatSwitch, which in turn activates the Drain Motor.

Service tip: If there is water in the base the Drain Motor will run continually, but will not drainwater from the base.

Dishwashers with a Countdown Display will show an “F” in the display window when a filling faultoccurs. Filling faults can be: Water in the base; overfill; and under or no fill.

Live Dealer Display Models with “F” codes:

Since display models are hand filled, achieving the correct water level is difficult, (see Section 3,Fig. 5-7) so the unit will perceive a filling fault and display the “F” code. This is normal, do notattempt a repair.

When the Drain Motor is activated gray water flows from the Sump through the Sump Drain Hose,item 2, around the Water Chamber and out through the Main Drain Line, item 1.

Water Inlet / Discharge System – Removal

Fig. 12-7 Fig. 12-8

Fig. 12-9 Fig. 12-10

The Water Level Switch and Diaphragm arereplace as one assembly. To replace, bend thesmall retaining tab out away from the assembly.

Then remove the wiring connector and slide theassembly up and out from the Water Level Housing.

The Float Switch, item 1, is a press fit and easilyremoved as an individual component.

To replace either Drain Hose, first remove theDrain Hose retaining clip.

Then bring the hose down and out from the WaterChamber. When re-installing make sure the hose issnug, and the retaining clip is back in place.

Right Side Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Right Side Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

NTC Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

NTC Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53 – 57

Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Right Side Access

Fig. 13-1 Fig. 13-2

RIGHT SIDE PANEL REMOVAL:

Remove the two T-20 Torx screws located on the top and bottom of the Left Trim Strip, Fig. 13-1,and then slide the Trim Strip up and off the unit.

To remove the panel, refer to Section 6, Figs. 11-2 and 11-3.

Right Side Components

With the Right Side Panel removed, you now have access to the following components.

1. Circulation Pump / Motor.2. Base Wiring Connectors.3. Flow Switch.4. Heater Assembly.5. NTC.

COMPONENT EXPLANATION:

Circulation Pump / Motor.

The Circulation Pump / Motor can be replaced from the right side by following the same accessprocedures for removal of the NTC outlined in the remainder of this section, and then by followingthe steps in Section 8, Figs. 16-2 through 16-7, for the Circulation Pump / Motor removal.

Service Note: Section 8, also gives and alternative removal method for the Circulation Pump / Motor.

Base Wiring Connectors.

The Base Wiring Connectors allow the Upper Wiring Harness to mate with the Base Wiring Harness.

Flow Switch.

Located between the two heater terminals is the Flow Switch. In the event that water does not flowacross the Heating Element, the Flow Switch disables the element. To remove the Flow Switch,bring the bottom of the switch out from its base, unhook the side tabs, and then lift the switch out.

Heater Assembly.

The Heater Assembly cannot be replaced from the side, but is accessible for continuity testing.Replacement of the Heater Assembly is outlined in Section 8, Figs. 16-8 through 16-12.

NTC Operation

Located on top of the Heater Assembly is the NTC (Negative Temperature Coefficient), Fig. 14-1. TheNTC uses resistance to control wash and rinse water temperature and is connected with two green leads.

As water temperature increases, the NTC records the decrease in resistance. The Control Unit LogicBoard measures this resistance change and allows the program to advance once the correcttemperature (resistance level) is reached.

Service note: The SHU 30** and SHU 40** models do not use an NTC, but utilize a standard, normallyopen thermostat (bi-metal).

Also combined within the NTC (or standard thermostat) is a High Limit Safety Thermostat, connectedwith red leads. The normally closed high limit is set to 185° Fahrenheit and is self-resetting.

Service tip: The NTC can be checked without removing the dishwasher by measuring its resistance atthe Control Unit. Using the appropriate wiring diagram, locate the two NTC leads. Theresistance at room temperature should be approximately 55k Ohms.

An extremely high, low or no Ohm reading will usually indicate a faulty NTC.

NTC Removal

Fig. 14-3 Fig. 14-4

To replace the NTC, first remove the Right SidePanel, Outer Door and Toe Kick, Fig. 14-2.

Then, remove the two Front Base MountingScrews, Fig. 14-3.

And the single Rear Base Mounting Screw,Fig. 14-4.

Next, remove the Hinge Cover…

and, unhook the Pulley Arm from the Hinge bylifting it up…

and then off the Hinge.

Now, from inside the dishwasher remove theLower Spray Arm, Filter Basket and Screen, thenremove the two screws that attach the FeederTube to the Sump, item 1. And the two SumpClamps, item 2.

With the block in place you now have the requiredaccess to replace the NTC.

Service note: The Circulation Pump / Motor canalso be replaced at this time, seeSection 8.

With all steps complete, bring the Tank up fromthe Base and insert a block in the rear of the unitbetween the Tank and the Base.

Fig. 14-11 Fig. 14-12

As demonstrated in Figs. 14-11 and 14-12, raising the Tank provides the necessary access spacerequired to remove either the NTC or the Circulation Pump / Motor.

Service note: When re-seating the Tank make sure to check that it is inserted squarely back into thepump and seated properly.

The NTC is held in place by two locking tabs,items 1 and 2.

To remove the NTC from the Heater Assembly,unhook the front tab, item 1, and lift the NTC upslightly on that side, holding the tab open as you lift.

Once the NTC has been removed make sure toretrieve the NTC O-ring from the Heater Assemblyif it is not on the NTC when it’s removed.

Service tip: When installing the NTC, apply waterto the O-ring so it will seat easier.

To avoid leaks, always make surethe NTC is secure and insertedcompletely into the HeaterAssembly.

Then unhook the rear tab, item 2, holding it open,while you slide the NTC up and out from theHeater Assembly.

Tank Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 – 62

Base Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Circulation Pump / Motor Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Circulation Pump / Motor Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Heater Assembly Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Heater Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Aqua Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Door Spring Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Tank Removal

Fig. 15-1 Fig. 15-2

In order to gain full access to the CirculationPump / Motor, Heater Assembly and AquaSensor the Tank must be removed.

To remove the Tank, start by removing the OuterDoor, Left and Right Side Panels, and Toe Kick,leaving the unit as shown in Fig. 15-1.

Next, disconnect the Upper Wiring Harness fromthe Control Unit and On/Off Switch, and thenbring the harness off its mounting point on theCondensation Tube, Fig. 15-2.

Now from inside the dishwasher remove theLower Spray Arm, Filter Basket and Screen, thenremove the two screws that attach the FeederTube to the Sump, item 1. And the two SumpClamps, item 2.

Then on both the left and right sides, remove theHinge Covers…

and then off the Hinges.

and unhook the Pulley Arms from both Hinges bylifting them up…

Fig. 15-7 Fig. 15-8

Fig. 15-7Now on both the left and right sides removethe T-20 Torx Tank Mounting Screws, item 1,and the Door Hinge Pivot tab, item 2.

Fig. 15-8To remove the Door Hinge Pivot Tab, insertyour T-20 Torx bit into the Tab and bring thescrewdriver down releasing the tab.

Service note: The tab is a press fit, and will simplysnap into position when replaced.

With both Tank Mounting Screws and DoorHinge Pivot Tabs removed bring the InnerDoor up and off the unit. The Lower DoorSeal, item 1, will pull away as you removethe door.

Set the door aside.

Service note: The Door Seal is a press fit alongthe bottom lip of the tank. To avoidleaking, make sure the Door Seal iscorrectly inserted back along thetank lip when replaced.

Base Components

The Tank can now be removed from the Base.

Service note: Once removed, lay the Tank on its back so as not to damage the tank bottom. When re-seating the Tank make sure to check that it’s inserted squarely back into the Sump andseated properly.

With the Tank removed you now have access to the following components:

1. Circulation Motor2. Circulation Pump3. Heater Assembly4. Aqua Sensor

Service reminder: As previously mentioned in Section 7, the Circulation Pump / Motor can also bereplaced from the right side without removing the Tank. However, the additionalvisibility and access the Tank removal method allows can be a greater benefit forthis repair.

Circulation Pump / Motor Removal

Fig. 16-2 Fig. 16-3

Circulation Pump / Motor Assembly

Fig. 16-6 Fig. 16-7

CIRCULATION PUMP / MOTOR REMOVAL:

Disconnect the four wire leads, then grasp the Circulation Motor and turn clockwise a quarter turn untilthe Motor stops, Fig. 16-2. Now, remove the Motor / Rear Pump Assembly from the Front PumpHousing, Fig. 16-3.

Note: The Front Pump Housing remains in place when the Motor is removed, Fig.16-3, item 1.

With the Motor / Rear Pump Assembly removed from the unit, separate the Motor from the Rear PumpAssembly. To do so, first remove the Impeller by placing a block in the rear of the Motor and then turningthe Impeller counter-clockwise, then Fig 16-4.

The Rear Pump Assembly consists of four components, Fig. 16-5:

1. Rear Pump Housing. 3. Impeller.2. Main Pump Seal. 4. Impeller Seal.

Each component can be replaced as an individual item.

First, locate the Key Square on the Front Pump Housing, Fig. 16-6. Next, locate the Key Square CutOut on the Rear Pump Housing, Fig. 16-3, item 2.

When replacing the Pump / Motor make sure to line up the Key Square with the Key Square Cut Out.Then bring the two pump halves together in the position shown in Fig. 16-2, and turn the Motorclockwise until it stops, see Fig. 16-7.

Service note: The Impeller Seal Spring is compressed when the two halves of the Pump Assembly arebrought together. This will take a little force, so make sure to have a good grip on theSump as you compress the spring.

Now, reattach the wiring leads, test and check for leaks.

Heater Assembly Removal

Fig. 16-8 Fig. 16-9

Heater Assembly

Fig. 16-11 Fig. 16-12

The Heater Assembly, Fig. 16-8 is a flow through design, taking water in from the Circulation Pump andthen sending it out the two discharge outlets to the Upper and Lower Spray Arms, Fig. 16-10.

HEATER ASSEMBLY REMOVAL:

See Fig. 16-9, first remove all wiring leads and the two securing screws, item 1.

Now, release the Heater Assembly Locking Tab, item 2, and while holding the tab open bring the HeaterAssembly up on the left side, disengaging the heaters two discharge outlets from the Sump, item 3, andthen out from the Circulation Pump Connection, item 4.

Heater Assembly Components, Fig. 16-11.

1. Intake from Circulation Pump. 5. Locking Tab2. Discharge to Lower Spray Arm. 6. NTC Socket3. Discharge to Upper Spray Arm. 7. Flow Switch4. Aqua Sensor (if equipped).

Slide the Heater Assembly into the Circulation Pump Connection first, then bring the Heater downand seat the two outlet gaskets back into the Sump. Make sure all three gaskets are secure andthe locking tab is in place. Then replace the two screws and wiring connections.

Top Rack Actuator, Fig. 16-12.

Top Rack Actuator is used to activate the Top Rack Only wash on models equipped with thisfeature. When activated, the Top Rack Actuator diverts all water flow to the Upper Spray Arm.

To remove the Actuator, remove the wire connector, and then pry the Actuator out from its housing.When installing, make sure the Actuator’s arm is properly inserted back into the Control Gate.

Fig. 16-13 Fig. 16-14

The Aqua Sensor turbidity measuring device, Fig. 16-13, which is available only on select models,evaluates the pre-wash water using a beam of light and a pick-up sensor.

If the beam passes easily through the pre-wash water then no additional wash water is added. If thebeam cannot pass through, then the pre-wash water is drained and a fresh fill is added for the mainwash cycle.

To replace the sensor, Fig. 16-14, slide it out from its housing located on the Heater Assembly.

Service note: Since the Aqua Sensor has no effect on washability, it should never be replaced. Only if aleak were to occur should service be performed on this component.

Door Spring Removal

The Door Springs are located on thebottom of the Base, Fig. 16-15, andoperate via a Spring Cable and Reelthat counter balances the weight ofthe Outer Door, Fig. 16-16.

If a Door Panel Kit is applied to thedishwasher, the factory springs must bereplaced with the heavy duty versionthat is provided with the panel kit.

TO REPLACE THE SPRINGS:

Lay the dishwasher on its back,being careful not to damage theDrain Hose. Then using a smallscrewdriver, remove the DoorSprings by prying the Spring Plateout from the Base, Fig. 16-17.

Then remove the Spring Cableby unhooking it from the Spring,Fig. 16-18.

Wiring Diagrams / Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 72 — 84

Description Diagrams

Test Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

SHI 4302SHI 4306 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1, 8, 9

SHI 6802SHI 6805SHI 6806 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1, 8, 11

SHU 3002SHU 3006SHU 3012SHU 3016 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2, 3, 4

SHU 4002SHU 4006SHU 4016SHU 4022SHU 4026SHU 4036 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5, 6, 7

SHU 4302SHU 4306SHU 4312SHU 4316 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1, 8, 9

SHU 5302SHU 5304SHU 5305SHU 5306SHU 5312SHU 5314SHU 5315SHU 5316 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1, 8, 10

SHU 6802SHU 6805SHU 6806 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1, 8, 11

SHV 4303SHV 4803 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12, 13

SHI/U 43— MODELS

To begin the test program, press the POWER SCRUB PLUS and REGULAR WASH buttons both in at the same time asyou turn the unit on by pressing the ON/OFF button. When released the LED’s for the two programs will begin flashing.

To check all LED indicator lamps press the SCRUB WASH button.

To start the test program, press the POWER SCRUB PLUS and REGULAR WASH buttons both in a second time.

When the test program is complete, if a fault is detected the following indicator LED’s will be illuminated.

WASH = Heating FaultRINSE/DRY = Filling FaultCLEAN = NTC Fault

SHU 53— or SHI/U 68— MODELS

To begin the test program, press the SCRUB WASH and DELICATE/ECONO buttons both in at the same time as you turnthe unit on by pressing the ON/OFF button. The version number of the circuit board will appear in the display, 20, 21, etc.

When released the LED’s for the two programs will begin flashing.

The check each LED press the corresponding program button. To check the countdown display and refill rinse aid LEDpress the REGULAR WASH button.

To start the test program, press the SCRUB WASH and DELICATE/ECONO buttons both in a second time.

When the test program is complete, the countdown display will indicate a fault or combination of faults using the followingcodes. If a combination of faults exists, the code numbers are added together. (6 = faults 2 + 4).

0 = No Faults1 = Aqua Sensor Fault2 = Heating Fault4 = Filling Fault8 = NTC Fault

• To bypass a function: SHI/U 43-- Press the SCRUB WASH button

SHI/U 53--/68-- Press the REGULAR WASH button.

FUNCTION DURATION COMMENTS

DRAINING 30 Seconds

AQUA SENSOR CALIBRATION 65 Seconds Not used on the SHI/U 43--

FILLINGUntil Water Level Switch (f1)Closes.

This function cannot be bypassed

HEATING &CIRCULATING

Until Water Temperature Reaches150° f.

Dispenser Actuator Energizes

DRAINING 60 Seconds

permanent splitcapacitor motor

121110987654

current path

a1 MAIN SWITCH 2

e0 DOOR SWITCH 3A2 ACTUATOR (Dispenser) 7

e6 FLOAT SWITCH 7e5 FLOW SWITCH 11

f3 THERMOSTAT 140˚F 9f1 WATER LEVEL SWITCH 5

f4 THERMOSTAT 161˚F 6

POWER SCRUB b1 & b3

REGULAR b1 & b2

RINSE & HOLD b3

f5 HIGH LIMIT 185˚F 12

h1 ON/OFF LAMP 4m1 TIMER MOTOR 6m2 CIRCULATION MOTOR 10m3 DRAIN MOTOR 8r1 HEATING ELEMENT 12s2 WATER SOLENOID 5u– TIMER CONTACTS –

Selector Switch Contacts

Selector Switch – b

1 2 3 4 5 6

b.b.b.b.b.b.

On / Off Switch – a1Door Switch – e0

BK-m2-1WHGN-b-1VTBK-b-5GYBK-e5-1

VT-b-3GYRD-b-2GYRD-l6-8

WH-l6-3WH-f4

GN-l6-6GN-b-4

WHVT-a1-31M

GYRD-l6-8GYRD-e6-4

BURD-m2-2BURD-s2

Drain Motor – m3

Electrical Supply – l1

Water Solenoid – s2

RD-e5-4GNYE-1-PE-3GNYE-PE-2GNYE-s2GNYE-m2RD-f5

Heating Element – r1

GNYE-m2GNYE-PE-4

Ground – PE

WHRD-m1WHRD-e0-1

Actuator – A2

WHRD-e0-1GYRD-u-6b

GN-u-6aRD-a1-3BU-u-5a

BURD-m2WHRD-f5

GN-f3RD-e6-1BU-f1-1WH-e5-2

Wiring Connector – l6

BK-u-2bBURD-m3BURD-l6-9

GNYE-PE-1GNYE-r1

Circulation Motor – m2

WH-u-8aWH-b-6

Thermostat – f4

WH-e5-2WH-f1-4

Thermostat – f3 & f5

Water Level Switch – f1

Float Switch – e6

WH-f3WH-l6-3

Flow Switch – e5

BK = blackBN = brownRD = redYE = yellow

GN = greenBU = blueVT = violetGY = grey

WH = whitePK = pink

WASH STALL RINSE STALL

1 2 3 4 5 166 187 8 9 10 11 12 13 14 15 17 19 20 21 4222 23 24 25 26 37 4727 28 353229 30 31 33 34 36 38 39 40 41 43 44 45 46 48 49 50 51 52 53 54 55 56 57 6058 59

PRE-WASH WASH W/ HEAT PRE-RINSE RINSE W/ HEAT DRYING

111213141516171819

Thermostat 140˚ Drain Motor

Timer Motor161˚ Thermostat Bypass

Water SolenoidThermostat 161˚

Heating ElementDrain Motor

Timer StopCirculation Motor

Power Scrub

Rinse & Hold

TIME INSECONDS

TIMER POSITION

OPERATION KEY

DRAININGP =FILLINGF =CIRCULATIONU =

DETERGENT DISPENSINGR =RINSE–AID DISPENSINGK =DRYINGT =

REGULAR b1 & b2 & b3

ECONOMY b1 & b2

BKBU-f4RD-A2

BNBK-b-3GYRD-b-2GYRD-l6-8

WHGN-e5-4GNYE-1-PE-3GNYE-PE-2GNYE-s2GNYE-m2RD-f5

Thermostat 140˚Drain Motor

RegularPower Scrub

12.6-1/2 12.5 12.9 12.8

12.2 12.4 12.4-1 12.7-2 12.4-2

Control Unit

dependent on equipment1

a1 ON/OFF SWITCH

e0 DOOR SWITCH

A1 ACTUATOR (Upper Basket)A2 ACTUATOR (Dispenser)

e6 FLOAT SWITCHe5 FLOW SWITCHe3 REED SWITCH

f1 WATER LEVEL SWITCH

f5 HIGH LIMIT 185˚F

m2 CIRCULATION MOTORm3 DRAIN MOTORNTC TEMPERATURE SENSORr1 HEATING ELEMENTs2 WATER SOLENOID

X2 SERVICE CONNECTOR

l4 AQUA SENSOR

Control Unit – l2

On/Off Switch – a1Door Switch – e0

Float switch – e6

Electrical Supply – l1 Heating Element – r1Flow Switch – e5 Drain Motor – m3

Water Level Switch – f1 NTC – f2 & f4 / Thermostat – f5

Wiring Connectors – I5 & I6

GYRD-e6-4GYRD-l6-9

RD-e5-4GNYE-l1-PE-3GNYE-PE-2GNYE-s2GNYE-m2RD-f5

GN-NTCGN-NTC

BN-l2.5-7BN-l2.5-6

BN-l2.5-3BN-l2.5-2BN-l2.5-1

RD-f5WH-e6-1

VT-s2BU-f1-4

RD-l2.7-2WH-a1-6

BK-m2-1 BU-l2.4-2BU-l2.4-3

BK-l6-8WHVT-m3

WH-l6-2RD-f1-1

WHRD-e0-1WHVT-m2-3

1 may exist without function

6 5 46 5.5.6.4.2.1

Reed Switch – e3Control Unit – l2

Electrical Supply – l1Heating Element – r1 Flow Switch – e5 Drain Motor – m3

Actuator – A2Circulation Motor– m2

Aqua Sensor – l4

BN-l4-3BN-l4-2BN-l4-1

Reed Switch – e3Control Unit – I2

Actuators – A1 & A2

Water Level Switch – f1 NTC – f2 & f4 / Thermostat f5

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RD-A1RD-f1-1

upper basket wash

12.1 12.4-312.4-1 12.5-1

12.2-312.4-212.2-2

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Reed Switch – e3Control Unit — I2On/Off Switch – a1

Door Switch – e0

Circulation Motor– m2

Wiring Connector – I6

GYRD-e6-4GYRD-l6-7

BU-l2.3-2 BN-l2.8-1WH-l2.1-3WH-l2.1-2

RD-f5GN-NTCGN-NTCBU-f1-4

RD-l2.5-1BN-l2.8-2

BK-m2-1 WH-l2.4-2WH-l2.4-3

Door Switch – e1

WHRD-l2.2-2WHRD-a1-1

WHRD-a1-1WHVT-m3

2 3 41.8.7.4.2 .3.1

1 SHV 4803 only

RD-e6-1WH-l6-9

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New Appliance Service Manual added: Bosch Dishwasher SHE SHX 13912 13913 13919 S36KMK 13902 13903 13909 Dishwasher Schematic and Tech Sheet

By mehoss March 30, 2016 in Appliance Service Manual Requests Forum

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Bosch Dishwasher SHE SHX 13912 13913 13919 S36KMK 13902 13903 13909 Dishwasher Schematic and Tech Sheet

Bosch, Dishwasher, SHE,SHX,13912,13913,13919,S36KMK,13902,13903,13909 Tech sheet scan

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Fight to Repair

Bosch: “We Don’t Support Self Service”

Discover more from Fight to Repair

If you’re wondering why we need right to repair laws, consider home appliance maker bosch, which refuses to give customers service manuals, necessitating unnecessary and expensive service calls..

In the midst of the pandemic Wayne Seltzer, an Assistant Professor at the University of Colorado Boulder’s ATLAS Institute, realized that he needed a new dishwasher. The Bosch dishwasher that he had lovingly maintained for the last 20 years was on its last legs.

Seltzer did some research online, reading up on the best reviewed and most recommended dishwashers and decided on…a Bosch, once again. Bosch models ranked at the top of product review sites and got rave reviews from customers. Besides, Seltzer had a good run with his previous Bosch washer.

“I had brand loyalty,” he said.

Two decades of fixes

Not that his Bosch dishwasher was flawless. In its two decades of life there was along list of fixes to the appliance. But they weren’t a problem. Seltzer is handy - he volunteers at the Boulder U-Fix-It Clinic , which is run by Eco-Cycle , a “zero waste” focused Colorado nonprofit. And Bosch provided him with the schematic for his washer. That, and replacement parts ordered from Sears Parts Direct, were enough to keep his washer working. Over the years, he replaced the unit’s heating coils, swapped out a failed pump, replaced a solenoid valve, and more.

Premium subscribers get early access to our original reporting and exclusive access to our full podcasts. Consider becoming a paid Fight to Repair subscriber!

He ordered his new Bosch dishwasher - a 24” model with a hefty price tag. Mindful of his previous experience, he opted not to purchase the extended warranty on the device. “I think of those as sucker bets,” he said. “I like to fix stuff myself.”

Pandemic related supply chain disruptions were causing havoc on the kitchen appliance market. Eventually, however, Seltzer’s new dishwasher came. And it worked flawlessly…for a while.

Two words: Authorized. Service.

About 13 months after he purchased it - just past the legally mandated 1 year manufacturer’s warranty - the washer stopped draining properly. A red light meant to indicate the washer was running properly blinked as dishes sat unwashed and water pooled in the bottom of the washer. Seltzer consulted the user’s manual that came with the washer, which advised that a blinking light may indicate the door is not properly shut. But when Selzter looked, the door appeared to close properly.

The next recommendation from Bosch: call Bosch authorized service and have them fix the problem. That wasn’t an option for Seltzer, so he emailed Bosch support directly, in the hope that they could point him to a service manual for his new washer. The email he got back surprised him. It read:

Thank you for reaching out to us today.  This would not be a document we would have available. We apologize for any inconvenience this may cause.  We would not have any documentation to support self service

The email contained a screen grab (below) of language from Bosch’s product documentation discouraging customers from attempting repairs on their property or using independent repair, and disavowing any responsibility or liability for repairs that are not successful. Notably: the language does not state that Bosch will not provide service manuals.

The email was signed by “Porfirio,” a representative of BSH Home Appliances Corporation, Bosch’s parent company, and included links to a list of Bosch authorized service providers and a website selling Bosch replacement parts . (How is a customer supposed to know what parts to order without the benefit of a service manual and schematic? ¯\_(ツ)_/¯ )

Seltzer wasn’t surprised. As a volunteer at local repair clinics, he had seen more than his share of instances where manufacturers made it hard - or impossible - to repair their products. But this was Bosch—a highly respected manufacturer. And Seltzer is a repair enthusiast. He decided to escalate the issue, sending an email in response seeking clarification.

“I am not at all satisfied with your response,” the email read. Seltzer asked to escalate his request for a service manual for his washer. “ I expect service manuals are available for appliance repair technicians, correct? Why not make them available to the consumers -- those who actually own the product? As a consumer and voter, I strongly support the #righttorepair. ”

He closed his email with links to the Repair Association’s policy position on making products repairable .

Rhymes with “gosh!”

That didn’t go over too well. In an email response, Bosch wrote that…

the Repair.org language Seltzer provided “…is a motion. It is not a law.” The company reiterated its policy. “We do not provide or support self service. We do apologize about the inconvenience.”

“We do not provide or support self service. We do apologize about the inconvenience.”

—“Porfirio,” BSH Home Appliances Corporation

Bosch spokespeople did not respond to multiple efforts to contact them for comment. We will update this story should the company respond.

In the end, Seltzer was able to get his dishwasher working without the manufacturer’s help. Looking closely at the door, he noticed that a rubber gasket dislodged, throwing the Bosch’s door sensor off. After he pushed the gasket back into place, the dishwasher ran properly and completed its cycle. But he is worried about what happens the next time, when the problem isn’t as easy to diagnose and fix. In the meantime, he wants the company to have to account for its policy.

Pssst! Lookin’ for a service manual?

Bosch’s miserly approach to customer service and repair manuals is well documented on customer support and repair sites online, which are full of messages from frustrated Bosch owners in search of repair manuals. Bosch isn’t alone in restricting access to service manuals - though there are also kitchen appliance manufacturers make service manuals, schematics and other repair information available to customers.

Manufacturers’ unwillingness to share repair information and materials drives customers to independent repair sites that sell black market copies of service manuals. Many of those are obtained second hand from authorized repair professionals who received them from the manufacturer, according to Matt Ziemenski, a Product Operations Manager at iFixit.com.

“This could have easily been in the user manual,” Seltzer wrote. “It seems like many people could follow these instructions and avoid an expensive service call for a simple problem.”

— Wayne Seltzer

Seltzer said he found a copy of a Bosch service manual for a “close cousin” to the Bosch dishwasher he purchased from one of those web sites, servicemanuals.net , where Bosch service documentation can be purchased for between $16 and $30.

Whereas the user manual simply told customers to “call authorized service” for issues related to the washer door not closing properly, the service manual Seltzer found had much more detailed explanations of why a Bosch dishwasher might start and instructions for how to address that issue. Those included checking the door latch with a magnet to test whether the door latch sensor was working properly and checking to make sure the door seal did not become dislodged or misaligned - the very problem that caused Seltzer’s problems.

“This could have easily been in the user manual,” Seltzer wrote. “It seems like many people could follow these instructions and avoid an expensive service call for a simple problem.” — Wayne Seltzer

But that’s the point, Seltzer acknowledges. “Service revenue is a big part of the business!”

A right to repair to ‘end the silliness’

If you wondered why right to repair laws are needed, Seltzer’s experience is Exhibit 1. Absent a legal requirement to provide customers with the information and tools to repair the products they sell, manufacturers have almost total discretion about whether or not to distribute the materials and information needed to conduct repairs. When manufacturers, like Bosch, choose to withhold that information, consumers pay a price.

That’s why OEMs hoarding product and service information is one of the main ills that proposed state-level right to repair laws try to correct. Of the more than 100 such bills that have been introduced in more than 40 states in the last eight years, most include language requiring manufacturers that provide service manuals as well as parts and diagnostic tools to authorized repair providers to also make them available to consumers and independent repair providers.

"Those of us fighting for Right to Repair have yet to hear any good reasons why owners shouldn't fix their stuff,” wrote Gay Gordon Byrne of The Repair Coalition.

Bosch was right that the right to repair policy statement Seltzer sent to them “is not a law,” at least in Colorado. But it is the law in Minnesota, where omnibus legislation signed by that state’s Governor last week contains language enacting a muscular right to repair law that includes home appliances like Seltzer’s dishwasher. Under the terms of the new law, OEMs like Bosch need to provide their customers with the same information, tools and parts they provide to their authorized service providers for all products sold since 2021.

“One state law should end the silliness,” said Gordon-Byrne.

And, in the case of service manuals, giving consumers in one state access to that kind of information will likely make it available to consumers in other states, as well. (It’s called ‘the Internet’!)

The Biden Administration has also taken aim at unfair anticompetitive restrictions on third-party repair or self-repair. Executive Order 72, issued in 2021 asked the FTC to crack down on “unfair anticompetitive restrictions on third-party repair or self-repair of items, such as the restrictions imposed by powerful manufacturers that prevent farmers from repairing their own equipment” leading to a number of crackdowns against companies from Harley Davidson to Weber.

Federal legislation is also pending in Congress that would create a national right to repair for kitchen appliances and other devices.

Gordon-Byrne sees the struggle to make repair information available to consumers as part of a larger social push to quash tech-enabled monopolies after decades in which the FTC and courts have looked the other way at anticompetitive practices in the marketplace.

“Bosch is on the wrong side of anti-trust law by monopolizing repair; ignoring patent, copyright and trade secret laws under which the owner is supposed to be able to choose whom to trust for repair,” she wrote. Manufacturers like Bosch may also be guilty of Unfair and Deceptive Acts and Practices law by failing to mention their policy on not supporting self repair to customers prior to purchase. 

Consumers want to fix their stuff

Suffering under high inflation and increasingly wary of the environmental impact of “stuff,” consumers are increasingly interested in doing repairs themselves.

Demand for service manuals and information on repair has grown rapidly, said Elizabeth Chamberlain, Director of Sustainability at iFixit. "For someone with lots of experience and know-how like Seltzer, DIY repair makes perfect sense. But he's not really an outlier,” wrote Chamberlain, the . “One-third of appliance owners opt for DIY repair.

Dishwasher owners come to iFixit every day looking for help fixing their own machines—the information Bosch refuses to give out. When Right to Repair becomes the law of the land, “manufacturers will finally be compelled to give us the help we need,” Chamberlain said.

As for Seltzer, he said he is pushing Bosch on its position not to hurt the company, but to help it. “I’m not trying to be antagonistic, but (Bosch) managed to produce a dishwasher that people love. (They) have a competitive advantage,” he said.

As a result, the company should take a broader view of the market, rather than trying to maximize profits at the expense of their customers.

“They should try to think about how right to repair can have an advantage and business value. They could miss out to someone else who comes along with a repair-friendly product line,” Seltzer said.

Ready for more?