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GE Monogram ZBD6800K Technical Service Manual

Top control dishwashers
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TECHNICAL SERVICE GUIDE
Top Control Monogram
Dishwashers
MODEL SERIES:
ZBD6800K
ZBD6880K
ZBD6890K
PUB # 31-9116
03/04
GE Consumer & Industrial

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  • Page 1 GE Consumer & Industrial TECHNICAL SERVICE GUIDE Top Control Monogram Dishwashers MODEL SERIES: ZBD6800K ZBD6880K ZBD6890K PUB # 31-9116 03/04...
  • Page 2 If grounding wires, screws, straps, clips, nuts, or washers used to complete a path to ground are removed for service, they must be returned to their original position and properly fastened. GE Consumer & Industrial Technical Service Guide Copyright © 2004 All rights reserved.
  • Page 3: Table Of Contents

    Table of Contents Active Vent ........................20 Circulation Pump and Motor ....................12 Component Locator Views ....................8 Components ........................10 Control Features ........................5 Control Module ........................18 Demo Mode ........................13 Control Module Board ......................18 Detergent/Rinse Module ....................19 Door Interlock Switch ......................19 Door Panel ........................17 Drain System ........................15 Factory Test Mode ......................22 Fan ...........................20...
  • Page 4: Nomenclature

    Nomenclature Model Number Z B D 6 8 0 0 J 0 0 B B Brand Exterior Color Z = Monogram BB = Black CC = Bisque SS = Stainless Steel Product Type WW = White DB = Built-In Dishwasher II = Integrated* Engineering Model Suffi...
  • Page 5: Control Features

    Control Features ZBD6800 and ZBD6880 ZBD6890 1. Wash Cycles Use the arrow pads to scroll through the wash cycles. The light above or next to the selected pad will be ON to indicate which WASH CYCLE has been selected. ™ NOTE: This dishwasher is equipped with an ExtraClean Sensor with automatic temperature control;...
  • Page 6 (Control Features Continued) Heavy 10.0 gal., 45 min. GLASSES (on some models) Medium 7.2 gal., 33 min. Light 7.2 gal., 32 min. This cycle is specifically designed for glasses. PLASTICS Heavy 9.9 gal., 119 min. CYCLE Medium 7.0 gal., 106 min. (on some models) Light 5.6 gal., 93 min.
  • Page 7 (Control Features Continued) 7. Status Indicator Lights (indicators vary by model) The Status display tells you what is happening while the dishwasher is in operation and may flash, indicating a malfunction. The lights will come ON, indicating the sequence of the dishwasher operation. ™...
  • Page 8: Circulation Pump And Motor

    Component Locator Views Inside Cabinet View 1 - Upper Spray Arm 5 - Filter Screen 2 - Middle Spray Arm 6 - Heating Element 3 - Main Conduit 7 - Float 4 - Hub (lower spray arm 8 - Inlet Cover removed) Door View (Front Panel Removed)
  • Page 9 Left Side View Drain Tube Assembly Fill Hose Fill Funnel Water Valve Drain Line Check Valve Bottom View Front of Dish wash er Junction Box Flood Switch Transorb Circulation Pump Motor Turbidity Sensor Sump Drain Pump Check Valve Drain Line Rear of Dish wash er Heating Element –...
  • Page 10: Components

    Components Using the Dishwasher with the Upper Middle Spray Arm Rack Removed Check the holes in the spray arm for bits of china, seeds, and other foreign matter. Also, check the 1. Unsnap and remove the end cap on each side spray arm for rotation.
  • Page 11: Fill Funnel

    Lower Spray Arm, Fine Filter, and Inlet Main Conduit Cover The main conduit supplies water to the middle and upper spray wash arms. Check the holes in the spray arm for bits of china, seeds, and other foreign matter. Also check the Removal and Replacement spray arm for rotation.
  • Page 12: Wash Cycles

    Wash Cycles MAX # OF MAX # WASH TEMPERATURE WASH TIME FAN ON TIME WASH HEATED CYCLE PRE-WASH RINSE CYCLE DRY TIME HEATED DRY W/O HEATED DRY CYCLES CYCLES Normal Wash Speed Wash Glasses China Crystal Pots & Pans Sani Wash 8+15 Rinse Only Not An Option...
  • Page 13: Demo Mode

    The heating element nuts are located on the Heating Element underside of the washer, near the back. Ample force is required to remove the nuts. Removing The heating element can be activated using the dishwasher from installation may be required. Service Mode The dual-wattage heating element produces 875 watts during wash, to help heat the water, and...
  • Page 14: Turbidity Sensor

    Note: If the turbidity sensor circuit fails to open or Turbidity Sensor is shorted, the sensing LED on the control panel will not light, and the unit will operate for the The turbidity sensor is located on the side of the maximum amount of time, using the maximum sump.
  • Page 15: Drain System

    The fl ood switch is held in place by 2 Phillips Drain System head screws. The drain system consists of the following com po nents: • Auxiliary drain pump (includes motor and one- way check valve) • Drain tube • Check valve (in line with drain tube) Flood Switch •...
  • Page 16: Transorb

    To replace the transorb, order the kit Water Valve Test WD35X10025. It contains a transorb with two attached butt connectors and instructions. The kit 1. Attempt to activate water valve using Service allows you to splice a new transorb into the wire .
  • Page 17: Membrane Keypad

    Door Panel The door panel covers the main control board, detergent cup, vent fan, motor, louver, and door-interlock switch. The outer door panel is held in place by 12 screws (5 Phillips head screws per side and two -in. hex head screws at the bottom).
  • Page 18: Control Module Board

    Control Module The door panel must be removed to access the control module (see ). The main control is Door Panel considered a “smart” control, capable of learning the water temperature and turbidity characteristics of the home. It is normal if the cycle times vary over a period of time from the factory default settings due to temperature and water quality.
  • Page 19: Detergent/Rinse Module

    At the second activation (3), the lever lifts the Detergent/Rinse Module con nect ing rod by the notch. This action lifts the rinse dispenser plunger and re leas es the rinse The door panel must be removed to access the agent.
  • Page 20: Door Panel

    Note: This also applies to the RINSE ONLY Active Vent cycle. Since heated dry is not an option with RINSE ONLY, the fan will run for approximately 4 The active vent consists of the fan, motor, hours before turning off. housing, and vent louver motor.
  • Page 21: Service Mode

    Service Mode To enter service mode, press and hold the down arrow and heated dry keypads simultaneously for 3 seconds. All LEDs light for 3 seconds when service mode is entered. To exit service mode, press the START/RESET at any time. 6 PAD CONTROL START 2L 1L...
  • Page 22: Factory Test Mode

    Factory Test Mode Always run the factory test mode to calibrate when replacing the turbidity sensor, control module board, and membrane keypanel. The factory test mode is the most accurate way to test the turbidity sensor circuit which contains the control module, wiring, and turbidity sensor. Factory test mode will test the thermistor (used for automatic temperature control) that is contained in the turbidity sensor and will test the transmitter that is contained in the turbidity sensor.
  • Page 23: Troubleshooting

    Troubleshooting 3-Digit Display Does Not Work Disconnect power to the dishwasher. Access the control circuit board. Remove and reseat the 3-digit display connector. Does the display work? Replace the 3-digit display. Replace the control Does the display work? circuit board. Keypad Does Not Work Disconnect power to the dishwasher.
  • Page 24: Fan

    Strip Circuits DOOR INTERLOCK DOOR INTERLOCK J2-8 NO COM J2-9 WATER VALVE FLOOD WATER VALVE SWITCH J2-2 725-1200 CIRCULATION PUMP MOTOR PUMP J2-1 HEATING ELEMENT HEATING ELEMENT J2-3 J2-4 VENT MOTOR J5-1 J5-2 TURBIDITY SENSOR DRAIN PUMP DRAIN PUMP J2-5 DETERGENT MODULE DETERGENT MODULE J2-6...
  • Page 25: Schematic

    Schematic WARNING: Disconnect electrical power before servicing. Caution: Label all wires prior to disconnection. Wiring errors can cause improper and dangerous operation. Verify operation after servicing. TURBIDITY/ CONTROL CIRCUIT BOARD RECEIVER EMITTER TEMPERATURE TRANSMITTER SENSOR KEYPAD CATHODE POWER SWITCHING 3-DIGIT DISPLAY POWER ACTIVE SUPPLY...
  • Page 26: Warranty

    Any part of the dishwasher which fails due to a defect in materials or workmanship. During From the Date this full one-year warranty, GE will also provide, free of charge, all labor and in-home service to replace the defective part.

This manual is also suitable for:

Monogram zbd6880kMonogram zbd6890k