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GE GLDT690T Technical Service Manual

Built-in dishwasher with top controls
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GE Appliances
Technical Service Guide
July 2011
GE Built-In Dishwasher
with Top Controls
GLDT690T
GLDT696T
31-9217
GE Appliances
General Electric Company
Louisville, Kentucky 40225

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  Summary of Contents for GE GLDT690T

  • Page 1 GE Appliances Technical Service Guide July 2011 GE Built-In Dishwasher with Top Controls GLDT690T GLDT696T 31-9217 GE Appliances General Electric Company Louisville, Kentucky 40225...
  • Page 2 GE Appliances Copyright © 2011 All rights reserved. This service guide may not be reproduced in whole or in part in any form without written permission from the General Electric Company.
  • Page 3: Table Of Contents

    Table of Contents Bottom Door Seal................................20 Component Locator Views ............................12 Control Assembly ................................17 Control Board Connector Locator View .........................15 Control Features ................................7 Control Panel..................................16 Detergent/Rinse Module ..............................19 Dishwasher Components ..............................16 Door Switch Assembly ..............................18 Drain Pump Assembly ..............................26 Factory Diagnostic Mode ..............................31 Fill Funnel ....................................23 Heating Element ................................21 Inner Door Panel ................................20...
  • Page 4 Troubleshooting ................................31 Tub Gasket and Trim ...............................21 Warranty ....................................34 Water Inlet Valve ................................24 – 4 –...
  • Page 5: Nomenclature

    Nomenclature Model Number G L D T 6 9 0 T B B Product Type Exterior Color GLD = GE long door BB = Black CC = Bisque SS = Stainless Steel Top Control WW = White Platform Model Year Designator...
  • Page 6: Introduction

    Introduction GLDT690T/GLDT696T GE Built-In Dishwasher with Hidden Controls Features and Benefi ts • Bright stainless steel interior • Low-profi le installation capable • 5 wash levels - Scrub dishes clean • 2-digit countdown display with 1-24 hour delay start •...
  • Page 7: Control Features

    Control Features Throughout this manual, features and appearance may vary from your model. About the dishwasher control panel. Control Settings ON/OFF With door open, press ON/OFF button to turn the unit ON to begin operation and OFF at the end of a wash cycle. The ON/OFF light is displayed when the dishwasher is ON.
  • Page 8: Status Indicators

    GEAppliances.com Delay Start Option This option allows you to delay the start of a wash cycle for up to 24 hours. With the door open, turn the dishwasher ON by pressing the ON/OFF button; then press the DELAY button to choose the number of hours you want to delay the start of the wash cycle.
  • Page 9: Overview Of Cycles

    Overview of Cycles SSD (Seven Segment Display) • After pressing the ON/OFF button, all LEDs will light, the digital display will show 88, and the buzzer will beep. • The estimated cycle time will be displayed as a two-digit number. If the cycle time exceeds 99 minutes, the seven segment display will show 2H.
  • Page 10 Cycles Chart No Stage Function Time Sanitize HEAV NORMAL LIGHT GLASSES SPEED RINSE Remark total wash time Drain Fill 36" Fill 34" Wash Wash Wash Wash Wash Wash Wash + Drain 15" Drain Pause 2" Fill 32" Pre- Fill 30" wash Wash + Heater Wash...
  • Page 11 Cycles Chart Sanitize HEAV NORMAL LIGHT GLASSES SPEED RINSE Remark No Stage Function Time Wash Wash + Heater Wash + Heater Wash + Drain 15" Drain Pause 2" Fill + Dispense 30" Wash + Dispense 30" Wash + Heater Wash + Heater Rinse Wash + Heater 30"...
  • Page 12: Component Locator Views

    Component Locator Views Front View Control Panel Insulation Door Panel Door Spring Fill Funnel Access Panel Control Panel View Door Latch Control Assembly (Continued next page) – 12 –...
  • Page 13 Interior View (Without Racks) Detergent/Rinse Module Static Dry Vent Detergent/Rinse Module Compartment View Rinse Agent Outlet Sight Glass Detergent Compartment Rinse Agent Cap Compartment Lid (Continued next page) – 13 –...
  • Page 14 Interior View of Basin (With Racks Removed) Right Side View (Insulation Removed) Spray Arm Filter Assembly Heating Element Fill Funnel Fill Hose Pressure Clamp Nut Switch Hose Micro-Filter Pressure Switch Bottom View (Looking Up) Note: Drain hose is shown in shipping confi guration. Front Water Inlet Valve Pressure...
  • Page 15: Control Board Connector Locator View

    Control Board Connector Locator View CN1 - Door Switch CN4 and CN5 - PCB user interface boards CN2 - 120 VAC output: P4 - L1 Pin 1 = pressure switch; Pin 3 = water inlet valve; P6 - 120 VAC output to heater Pin 5 = detergent/rinse module;...
  • Page 16: Control Panel

    Dishwasher Components Outer Door Panel The outer door panel covers the door to the dishwasher and must be removed to access the control panel, detergent/rinse module, bottom door seal, and heating element. To remove the outer door panel, remove 12 Phillips- head screws, and then lower the door panel from the control panel.
  • Page 17: Control Assembly

    Control Assembly 3. Pull the top of the vent out while lifting up to clear the bottom of the dishwasher. The control assembly consists of 2 PCB user interface boards and a power board. To remove the PCB user interface assembly: 1.
  • Page 18: Door Switch Assembly

    7. Remove 2 Phillips-head screws from the display Door Switch Assembly PCB user interface board. The door switch assembly consists of 2 switches activated by a spring-loaded plunger. One door switch connects or disconnects the line (hot) side of 120 VAC. The other switch connects or disconnects the neutral side of 120 VAC.
  • Page 19: Detergent/Rinse Module

    Detergent/Rinse Module The control panel must be removed to access the detergent/rinse module. (See Control Panel. The detergent/rinse module is connected by 2 wires and held in place by 6 Phillips-head screws and 2 brackets. The detergent/rinse module operates on 120 VAC and has an approximate resistance value of 2 K...
  • Page 20: Bottom Door Seal

    Inner Door Panel Bottom Door Seal To remove the inner door panel: The bottom door seal prevents water leakage by sealing between the bottom of the door and the 1. Disconnect power. tub. It is not replaced as a separate part on this dishwasher.
  • Page 21: Heating Element

    Tub Gasket and Trim Heating Element The dishwasher tub seal prevents water leakage. The heating element maintains water temperature The seal is fi tted in a seal channel that lines the rim during the wash and rinse cycles and heats the air of the dishwasher tub.
  • Page 22 7. Locate the wires leading to the heating element 10. Remove the inner 8-mm nut, washer, and terminals and pull down the 2 nylon terminal spacer that attaches the element to the bottom covers. of the tub. 8. Disconnect the 2 wires from the heating element.
  • Page 23: Fill Funnel

    Note: Upon assembly, ensure the fi ll funnel gasket is Fill Funnel placed over the fi ll funnel threads. The fi ll funnel is mounted on the right side of the tub. Its purpose is to provide a method of supplying water for the wash and rinse cycles.
  • Page 24: Water Inlet Valve

    7. Remove the clamp and the outlet hose from the Water Inlet Valve valve. The water inlet valve is electronically controlled and solenoid-operated. The fl ow of water is controlled by a rubber fl ow washer capable of maintaining a Outlet Hose fl...
  • Page 25: Pressure Switch

    5. Remove the 6 Phillips-head screws and the front Pressure Switch brace from the dishwasher. The pressure switch is an overfi ll safety device mounted on a bracket located under the tub near the right front corner. A clear plastic tube (the pressure switch hose) runs from the pressure switch, around the fi...
  • Page 26: Drain Pump Assembly

    Note: Ensure the O-ring is retained in the pump seal Drain Pump Assembly before reassembly. The drain pump assembly is located under the tub and operates on 120 VAC. It is energized for the fi rst 60 seconds of a new cycle and 90 seconds after the wash pump shuts down to remove any water in the dishwasher sump.
  • Page 27: Motor Pump Assembly

    Motor Pump Assembly Clamp Part Number Size WD01X10322 15/16" to 1-1/2" The motor pump assembly is located under the tub behind the sump assembly. The motor utilizes a start capacitor rated at 10 fd. The motor rotates clockwise (as viewed from the terminal end) and Interconnect Hose draws approximately 1 amp at 120 VAC.
  • Page 28: Thermistor

    To remove the motor pump capacitor: 4. Remove the 6 Phillips-head screws and the front brace from the dishwasher. Follow steps 1 through 4. (See To remove the motor :) The capacitor is connected to the pump assembly motor with 2 wires and held in place with a 13-mm nut.
  • Page 29: Sump Assembly

    Note: The sump clamping nut turns Sump Assembly counterclockwise and may be diffi cult to remove. It may be helpful to insert a 3/4-in. wide x 4½-in. long The sump assembly consists of the fi lter assembly, piece of wood between the clamping nut tabs to micro-fi...
  • Page 30 Caution: The clamps are easily damaged during removal and should not be reused. 12. Remove the 2 clamps, sump outlet hose, and interconnect hose from the sump. Note: Factory installed hose clamps are not reusable. When installing a water inlet valve, drain pump assembly, wash pump assembly, or sump assembly, replace the old clamps with new screw- type hose clamps provided.
  • Page 31: Factory Diagnostic Mode

    Troubleshooting Factory Diagnostic Mode To enter the factory diagnostic mode: • Turn the dishwasher off and make sure no LEDs are lit. • Disconnect power to the dishwasher. • Reapply power with the door open and quickly press and hold both the Select and ON/OFF pads within 60 seconds from connecting power.
  • Page 32: Service Test Mode

    Service Test Mode To enter the service test mode: • Turn the dishwasher off and make sure no LEDs are lit. • Disconnect power to the dishwasher. • Reapply power with the door open and quickly press and hold both the Delay and ON/OFF pads within 3 minutes from connecting power.
  • Page 33: Schematics And Wiring Diagrams

    Schematics and Wiring Diagrams 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. Wire Colors BLACK WHITE PINK VIOLET black BLUE YELLOW pressure switch black white heater...
  • Page 34: Warranty

    This warranty is extended to the original purchaser and any succeeding owner for products purchased for home use within the USA. If the product is located in an area where service by a GE Authorized Servicer is not available, you may be responsible for a trip charge or you may be required to bring the product to an Authorized GE Service location for service.

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