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Bosch SHU8812 - User Manual

Bosch SHU8812
144 pages
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BOSCH DISHWASHERS
SHI4302/4306/66A05/6802/6805/6806
SHU3002/3006/3012/3016
SHU3026/3032/3035/3036
SHU33A02/06, 3302/3305/3306/3307
SHU3322/3326/3336, 4322/4326
SHU4002/4006/4016/4022/4026/4036
SHU43C02/05/06/07, 43E02/05/06/07
SHU4302/4304/4306/4312/4314/4316
SHU53A02/05/06, 53E02/05/06
SHU5302/5304/5305/5306/5307
SHU5312/5314/5315/5316/5317
SHU66C02/05/06/07, 66E02/05/06/07
SHU6802/6805/6806
SHU8802/8805/8806/8812/8815/8816
SHU9902/9905/9906
SHU9912/9915/9916/9922/9925/9926
SHU9952/9955/9956
SHV4303/46C03/4803/66A03/6803/99A03
SHX33A02/05/06, 43E02/05/06
SHX46A02/05/06/07, 46B02/05/06/07
SHX56B02/05/06, 99B05/06
SHY56A02/05/06, 66C02/05/06, 99A02/05/06

Table of Contents

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Summary

I. Safety Concerns

IA. Safety Symbol Explanation

Explains warning symbols indicating serious warnings like injury, death, or damage.

IB. Identify Potential Hazards

Lists potential hazards such as electrical shock and sharp edges.

IC. Warning Personal Injury

Warns about electric shock risk and the need for grounding and copper conductors.

ID. Warning Property Damage

Details risks from improper water connections, especially overtightening fittings.

IE. Electrostatic Sensitive Devices

Notes that PC boards are in plastic housings, not handled directly in repairs.

II. Product Line Related

IIA. CFC Information

Confirms that no CFCs or refrigerants are used in dishwashers.

IIB. Emissions Related

States there are no emissions, except for potential drain smells.

IIC. CO

Confirms that dishwashers do not emit carbon monoxide.

IID. Government Compliance Issues

Indicates there are no government compliance issues.

IIE. Certification Requirements

Lists UL, Energy Star, and NSF certifications for dishwashers.

III. Product Specific

IIIA. Product Specification Chart

Details electrical ratings, water pressure, and motor specifications.

IIIB. Model Number Listing and Explanation

Explains the current and older model numbering systems for dishwashers.

IIIC. Model Number Location

Illustrates the location of the serial and model number label on the inner door.

IIID. Tech Sheet Location

Specifies the location of wiring and circuit diagrams for technical reference.

IIIE. Warranty Information

Outlines the limited warranty periods for various dishwasher components.

IV. Installation Issues

IVA. Location Requirements

Refers to separate installation instructions for location requirements.

IVB. Electrical Requirements

Refers to separate installation instructions for electrical requirements.

IVC. Water;Drain Requirements

Refers to separate installation instructions for water and drain connections.

IVD. Shipping;Packaging Removal

Refers to separate installation instructions for shipping and packaging removal.

IVE. Installation Related Process

Covers steps like leveling, installing handles, and door reversal.

IV. Installation Issues: Installation Instructions

Provides detailed installation steps, warnings, and procedures.

V. Theory of Operation

VA. Description of Operation;Cycle

Explains how the dishwasher cycles, including pumps, heaters, and drying.

VB. Description of Components

Lists and describes key dishwasher components and their functions.

Dispensers

Details the operation of the detergent and rinse-aid dispenser mechanism.

Top Rack Only

Explains the top rack feature and how its water distribution is managed.

Door Latches

Describes the different types of door latch mechanisms used.

Aqua Sensors

Explains the function of aqua sensors for water and energy savings.

Water Fill Assemblies

Describes how water fill assemblies ensure proper water intake.

VI. Component Access;Replacement

Water Valves (1)

Details how to access and remove the water valve by removing the toe kick.

Water Valves (2)

Shows different water valve part numbers and upgrade information.

Circulation Pumps - Access (1)

Explains accessing the circulation pump by removing the outer door.

Circulation Pumps - Access (2)

Details removing the toe kick and side panels for circulation pump access.

Circulation Pumps - Access (3)

Describes raising the tank to gain access to the circulation pump.

Circulation Pumps - Disassembly

Provides step-by-step instructions for disassembling the circulation pump motor.

Circulation Pumps - Reassembly

Guides on reassembling the circulation pump motor and impeller kit.

Control Modules - Disassembly (1)

Explains how to remove control modules by bending console tabs.

Control Modules - Disassembly (2)

Details control module disassembly for specific SHY/SHU/SHV models.

Control Modules - SHY56 A;66 C Control Modules with Displays

Guides on removing display modules for SHY56A/66C models.

Control Modules - Apexx Control Module Disassembly (1)

Explains Apexx module access and the need to pull the unit out.

Control Modules - Apexx Control Module Disassembly (2)

Details removing side panels for Apexx control module access.

Control Modules - Apexx Control Module Disassembly (3)

Describes raising the tank to gain access to Apexx control modules.

Control Modules - Apexx Control Module Disassembly (4)

Shows the process of sliding the Apexx control module out.

Control Modules - Apexx Display Module Disassembly

Guides on removing the Apexx display module from the fascia panel.

Heater s & NTC’s - Access (1)

Explains accessing heaters and NTCs by removing the outer door and dropping the base.

Heaters & NTC’s - Access (2)

Details removing the toe kick and side panels for heater and NTC access.

Heaters & NTC’s - Access (3)

Describes separating the base from the tank for heater and NTC access.

Heaters & NTC’s - Access (4)

Guides on pulling the base away from the tank and sump for heater access.

Heaters & NTC’s - Removal & Installation (1)

Explains the process of removing and installing heater assemblies.

Drain Pumps - Removal & Installation

Details the steps for removing and installing the drain pump assembly.

Dispensers - Removal & Installation (1)

Guides on removing and installing the dispenser units.

Dispensers - Removal & Installation (2)

Discusses condensation tube changes related to dispenser types.

Door Latches - Removal & Installation (1)

Explains how to disassemble door latches for integrated models.

Door Latches - Removal & Installation (2)

Details removing and installing door latches and their microswitches.

Aqua Sensors

Describes how to access and replace the aqua sensor.

Water Fill Assemblies

Explains how to access the water fill assembly by removing the side panel.

VII. Component Testing;Test Procedures

Using Test Programs

Lists models and button sequences to enter specific test programs.

Fault Codes

Explains error codes for test programs and customer use.

Using Test Programs to Measure Heater;NTC Resistances

Guides on measuring component resistances using test programs.

VIII. Troubleshooting

Basic Dishwasher Troubleshooting

Lists common problems, possible causes, and suggested actions for dishwashers.

Control Module - Modules Displaying “1”

Troubleshooting steps for modules displaying error code '1' related to heating.

Heater - Troubleshooting Flowchart

A flowchart to diagnose issues within the heater circuit.

Water Leaking Past Doors

Discusses causes and solutions for water leaking from the bottom of dishwasher doors.

Circulation Pump - Checking PTC Pump Motor Starter (1)

Explains how to check the PTC pump motor starter for proper function.

Circulation Pump - Checking PTC Pump Motor Starter (2)

Provides resistance measurements for PTC pump motor starters.

Circulation Pump - Water Switch Pump Nuisance Tripping (1)

Discusses preventing nuisance tripping of thermal protectors on circulation pumps.

Circulation Pump - Water Switch Pump Nuisance Tripping (2)

Identifies new and original circulation pumps and motor starters.

Circulation Pump - Replacing Impellers (1)

Guides on loosening stuck impellers for temporary repair.

Circulation Pump - Replacing Impellers (2)

Details replacing impellers, emphasizing the correct installation of the black spacer.

Circulation Pump - Replacing Impellers (3)

Shows impeller ceramic ring color codes to identify upgraded vs. old styles.

Circulation Pump - Service Index UC;06, UC;11 & UC;12 Parts Changes

Lists part number changes for circulation pumps in UC/06, UC/11, UC/12 models.

Circulation Pump - Service Index UC;14 Water Switch Parts Changes

Details part number changes for circulation pumps in UC/14 models.

Circulation Pump - Pump & Motor Part # Changes

Summarizes circulation pump and motor part number updates for consistency.

Control Module - Heater Relays

Discusses troubleshooting heater relays on control modules and potential replacements.

Control Module - Using # 481055 Control Modules in Older SHU 99 and SHV 43;48 Dishwashers (1)

Explains replacing older control modules with #481055 and the need for new pushbutton pads.

Control Module - Using # 481055 Control Modules in Older SHU 99 and SHV 43;48 Dishwashers (2)

Shows pushbutton pads compatible with #481055 control module replacements.

Control Module - Using # 481055 Control Modules in Older SHU 99 and SHV 43;48 Dishwashers (3)

Compares old and new pushbutton pad layouts for model compatibility.

Heater - Replacing Older UC;06 NLA Heaters

Details using alternative heater assemblies for older UC/06 models.

Heater - Water Switch (“Flow Control”) (1)

Explains motor-operated water switches within heater assemblies.

Heater - Water Switch (“Flow Control”) (2)

Lists part number changes for heater assemblies in water switch models.

Drain Pump - Sump Improvements to aid Draining

Discusses sump part changes made to improve draining performance.

Dispenser - Replacing Dispenser Doors

Provides instructions for replacing damaged or detached dispenser doors.

Dispenser - Top Load Dispenser (1)

Describes top-load dispensers and their digital control interface.

Dispenser - Top Load Dispenser (2)

Explains top-load dispenser operation, sensors, and unvented design.

Door Latch - Misaligned Latches

Guides on realigning misaligned door latches to ensure proper door closure.

Door Latch - Miswired Latches

Details troubleshooting miswired door latches and potential module damage.

All Dishwashers - Terminal Box Covers

Explains the introduction of larger terminal boxes with rear conduit exits.

IX. Wiring Diagrams;Tech Sheet

Measuring SHU43 C;53 A Resistances @ Modules

Provides resistance values for modules on SHU43C/53A models.

Measuring SHX33 A;43 E;46 A;B, SHV46 C Resistances @ Modules

Lists module resistance values for SHX33A/43E/46A/B and SHV46C models.

Measuring SHU66 C, SHI66 A Resistances @ Modules

Details module resistance values for SHU66C and SHI66A models.

Measuring SHX56 B, SHV66 A, SHY56;66 Resistances @ Modules

Lists module resistance values for SHX56B, SHV66A, and SHY56/66 models.

Measuring SHV99, SHX99, SHY99 Resistances @ Modules

Provides module resistance values for SHV/SHX/SHY99 models.

Measuring SHU;SHI43;53;68 Resistances @ Modules

Lists module resistance values for SHU/SHI43/53/68 models.

Measuring SHU995 X, SHV68 Resistances @ Modules

Details module resistance values for SHU995X and SHV68 models.

Measuring SHU88;99 (not 995 x), SHV43;48 Resistances @ Modules

Lists module resistance values for SHU88/99 and SHV43/48 models.

Measuring SHU33;432 x Resistances @ Modules

Provides module resistance values for SHU33/432x models.

Measuring SHU303 x;313 x Resistances @ Modules

Lists module resistance values for SHU303x/313x models.

Measuring SHU995 x, SHV68 Circulation Pump Resistances @ Modules

Lists circulation pump resistances for SHU995x and SHV68 models.

Wiring Diagram (SHU 303 X;313 X)

Circuit diagram illustrating electrical connections for SHU 303X/313X models.

Wiring Diagram (SHU 40)

Circuit diagram illustrating electrical connections for SHU 40 models.

Wiring Diagram (for SHI 43;68 and SHU 43;53;68)

Circuit diagram for SHI 43/68 and SHU 43/53/68 dishwasher models.

Wiring Diagram (for SHU 88;99 (except 995 x), SHV 43;48)

Circuit diagram for SHU 88/99 and SHV 43/48 dishwasher models.

Wiring Diagram (for SHY 99 A, SHV 99 A, SHX 99 B)

Circuit diagram for SHY 99A, SHV 99A, and SHX 99B dishwasher models.

Summary

I. Safety Concerns

IA. Safety Symbol Explanation

Explains warning symbols indicating serious warnings like injury, death, or damage.

IB. Identify Potential Hazards

Lists potential hazards such as electrical shock and sharp edges.

IC. Warning Personal Injury

Warns about electric shock risk and the need for grounding and copper conductors.

ID. Warning Property Damage

Details risks from improper water connections, especially overtightening fittings.

IE. Electrostatic Sensitive Devices

Notes that PC boards are in plastic housings, not handled directly in repairs.

II. Product Line Related

IIA. CFC Information

Confirms that no CFCs or refrigerants are used in dishwashers.

IIB. Emissions Related

States there are no emissions, except for potential drain smells.

IIC. CO

Confirms that dishwashers do not emit carbon monoxide.

IID. Government Compliance Issues

Indicates there are no government compliance issues.

IIE. Certification Requirements

Lists UL, Energy Star, and NSF certifications for dishwashers.

III. Product Specific

IIIA. Product Specification Chart

Details electrical ratings, water pressure, and motor specifications.

IIIB. Model Number Listing and Explanation

Explains the current and older model numbering systems for dishwashers.

IIIC. Model Number Location

Illustrates the location of the serial and model number label on the inner door.

IIID. Tech Sheet Location

Specifies the location of wiring and circuit diagrams for technical reference.

IIIE. Warranty Information

Outlines the limited warranty periods for various dishwasher components.

IV. Installation Issues

IVA. Location Requirements

Refers to separate installation instructions for location requirements.

IVB. Electrical Requirements

Refers to separate installation instructions for electrical requirements.

IVC. Water;Drain Requirements

Refers to separate installation instructions for water and drain connections.

IVD. Shipping;Packaging Removal

Refers to separate installation instructions for shipping and packaging removal.

IVE. Installation Related Process

Covers steps like leveling, installing handles, and door reversal.

IV. Installation Issues: Installation Instructions

Provides detailed installation steps, warnings, and procedures.

V. Theory of Operation

VA. Description of Operation;Cycle

Explains how the dishwasher cycles, including pumps, heaters, and drying.

VB. Description of Components

Lists and describes key dishwasher components and their functions.

Dispensers

Details the operation of the detergent and rinse-aid dispenser mechanism.

Top Rack Only

Explains the top rack feature and how its water distribution is managed.

Door Latches

Describes the different types of door latch mechanisms used.

Aqua Sensors

Explains the function of aqua sensors for water and energy savings.

Water Fill Assemblies

Describes how water fill assemblies ensure proper water intake.

VI. Component Access;Replacement

Water Valves (1)

Details how to access and remove the water valve by removing the toe kick.

Water Valves (2)

Shows different water valve part numbers and upgrade information.

Circulation Pumps - Access (1)

Explains accessing the circulation pump by removing the outer door.

Circulation Pumps - Access (2)

Details removing the toe kick and side panels for circulation pump access.

Circulation Pumps - Access (3)

Describes raising the tank to gain access to the circulation pump.

Circulation Pumps - Disassembly

Provides step-by-step instructions for disassembling the circulation pump motor.

Circulation Pumps - Reassembly

Guides on reassembling the circulation pump motor and impeller kit.

Control Modules - Disassembly (1)

Explains how to remove control modules by bending console tabs.

Control Modules - Disassembly (2)

Details control module disassembly for specific SHY/SHU/SHV models.

Control Modules - SHY56 A;66 C Control Modules with Displays

Guides on removing display modules for SHY56A/66C models.

Control Modules - Apexx Control Module Disassembly (1)

Explains Apexx module access and the need to pull the unit out.

Control Modules - Apexx Control Module Disassembly (2)

Details removing side panels for Apexx control module access.

Control Modules - Apexx Control Module Disassembly (3)

Describes raising the tank to gain access to Apexx control modules.

Control Modules - Apexx Control Module Disassembly (4)

Shows the process of sliding the Apexx control module out.

Control Modules - Apexx Display Module Disassembly

Guides on removing the Apexx display module from the fascia panel.

Heater s & NTC’s - Access (1)

Explains accessing heaters and NTCs by removing the outer door and dropping the base.

Heaters & NTC’s - Access (2)

Details removing the toe kick and side panels for heater and NTC access.

Heaters & NTC’s - Access (3)

Describes separating the base from the tank for heater and NTC access.

Heaters & NTC’s - Access (4)

Guides on pulling the base away from the tank and sump for heater access.

Heaters & NTC’s - Removal & Installation (1)

Explains the process of removing and installing heater assemblies.

Drain Pumps - Removal & Installation

Details the steps for removing and installing the drain pump assembly.

Dispensers - Removal & Installation (1)

Guides on removing and installing the dispenser units.

Dispensers - Removal & Installation (2)

Discusses condensation tube changes related to dispenser types.

Door Latches - Removal & Installation (1)

Explains how to disassemble door latches for integrated models.

Door Latches - Removal & Installation (2)

Details removing and installing door latches and their microswitches.

Aqua Sensors

Describes how to access and replace the aqua sensor.

Water Fill Assemblies

Explains how to access the water fill assembly by removing the side panel.

VII. Component Testing;Test Procedures

Using Test Programs

Lists models and button sequences to enter specific test programs.

Fault Codes

Explains error codes for test programs and customer use.

Using Test Programs to Measure Heater;NTC Resistances

Guides on measuring component resistances using test programs.

VIII. Troubleshooting

Basic Dishwasher Troubleshooting

Lists common problems, possible causes, and suggested actions for dishwashers.

Control Module - Modules Displaying “1”

Troubleshooting steps for modules displaying error code '1' related to heating.

Heater - Troubleshooting Flowchart

A flowchart to diagnose issues within the heater circuit.

Water Leaking Past Doors

Discusses causes and solutions for water leaking from the bottom of dishwasher doors.

Circulation Pump - Checking PTC Pump Motor Starter (1)

Explains how to check the PTC pump motor starter for proper function.

Circulation Pump - Checking PTC Pump Motor Starter (2)

Provides resistance measurements for PTC pump motor starters.

Circulation Pump - Water Switch Pump Nuisance Tripping (1)

Discusses preventing nuisance tripping of thermal protectors on circulation pumps.

Circulation Pump - Water Switch Pump Nuisance Tripping (2)

Identifies new and original circulation pumps and motor starters.

Circulation Pump - Replacing Impellers (1)

Guides on loosening stuck impellers for temporary repair.

Circulation Pump - Replacing Impellers (2)

Details replacing impellers, emphasizing the correct installation of the black spacer.

Circulation Pump - Replacing Impellers (3)

Shows impeller ceramic ring color codes to identify upgraded vs. old styles.

Circulation Pump - Service Index UC;06, UC;11 & UC;12 Parts Changes

Lists part number changes for circulation pumps in UC/06, UC/11, UC/12 models.

Circulation Pump - Service Index UC;14 Water Switch Parts Changes

Details part number changes for circulation pumps in UC/14 models.

Circulation Pump - Pump & Motor Part # Changes

Summarizes circulation pump and motor part number updates for consistency.

Control Module - Heater Relays

Discusses troubleshooting heater relays on control modules and potential replacements.

Control Module - Using # 481055 Control Modules in Older SHU 99 and SHV 43;48 Dishwashers (1)

Explains replacing older control modules with #481055 and the need for new pushbutton pads.

Control Module - Using # 481055 Control Modules in Older SHU 99 and SHV 43;48 Dishwashers (2)

Shows pushbutton pads compatible with #481055 control module replacements.

Control Module - Using # 481055 Control Modules in Older SHU 99 and SHV 43;48 Dishwashers (3)

Compares old and new pushbutton pad layouts for model compatibility.

Heater - Replacing Older UC;06 NLA Heaters

Details using alternative heater assemblies for older UC/06 models.

Heater - Water Switch (“Flow Control”) (1)

Explains motor-operated water switches within heater assemblies.

Heater - Water Switch (“Flow Control”) (2)

Lists part number changes for heater assemblies in water switch models.

Drain Pump - Sump Improvements to aid Draining

Discusses sump part changes made to improve draining performance.

Dispenser - Replacing Dispenser Doors

Provides instructions for replacing damaged or detached dispenser doors.

Dispenser - Top Load Dispenser (1)

Describes top-load dispensers and their digital control interface.

Dispenser - Top Load Dispenser (2)

Explains top-load dispenser operation, sensors, and unvented design.

Door Latch - Misaligned Latches

Guides on realigning misaligned door latches to ensure proper door closure.

Door Latch - Miswired Latches

Details troubleshooting miswired door latches and potential module damage.

All Dishwashers - Terminal Box Covers

Explains the introduction of larger terminal boxes with rear conduit exits.

IX. Wiring Diagrams;Tech Sheet

Measuring SHU43 C;53 A Resistances @ Modules

Provides resistance values for modules on SHU43C/53A models.

Measuring SHX33 A;43 E;46 A;B, SHV46 C Resistances @ Modules

Lists module resistance values for SHX33A/43E/46A/B and SHV46C models.

Measuring SHU66 C, SHI66 A Resistances @ Modules

Details module resistance values for SHU66C and SHI66A models.

Measuring SHX56 B, SHV66 A, SHY56;66 Resistances @ Modules

Lists module resistance values for SHX56B, SHV66A, and SHY56/66 models.

Measuring SHV99, SHX99, SHY99 Resistances @ Modules

Provides module resistance values for SHV/SHX/SHY99 models.

Measuring SHU;SHI43;53;68 Resistances @ Modules

Lists module resistance values for SHU/SHI43/53/68 models.

Measuring SHU995 X, SHV68 Resistances @ Modules

Details module resistance values for SHU995X and SHV68 models.

Measuring SHU88;99 (not 995 x), SHV43;48 Resistances @ Modules

Lists module resistance values for SHU88/99 and SHV43/48 models.

Measuring SHU33;432 x Resistances @ Modules

Provides module resistance values for SHU33/432x models.

Measuring SHU303 x;313 x Resistances @ Modules

Lists module resistance values for SHU303x/313x models.

Measuring SHU995 x, SHV68 Circulation Pump Resistances @ Modules

Lists circulation pump resistances for SHU995x and SHV68 models.

Wiring Diagram (SHU 303 X;313 X)

Circuit diagram illustrating electrical connections for SHU 303X/313X models.

Wiring Diagram (SHU 40)

Circuit diagram illustrating electrical connections for SHU 40 models.

Wiring Diagram (for SHI 43;68 and SHU 43;53;68)

Circuit diagram for SHI 43/68 and SHU 43/53/68 dishwasher models.

Wiring Diagram (for SHU 88;99 (except 995 x), SHV 43;48)

Circuit diagram for SHU 88/99 and SHV 43/48 dishwasher models.

Wiring Diagram (for SHY 99 A, SHV 99 A, SHX 99 B)

Circuit diagram for SHY 99A, SHV 99A, and SHX 99B dishwasher models.

Bosch SHU8812 Specifications

General IconGeneral
BrandBosch
ModelSHU8812
CategoryDishwasher
LanguageEnglish

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