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GE GTW750CPLDG User Manual

GE GTW750CPLDG
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31-9281
Technical Service Guide
GE 27 Inch Top Load Washer
January 2018
GTW750CPLDG
GTW750CSLWS
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GE GTW750CPLDG Specifications

General IconGeneral
BrandGE
ModelGTW750CPLDG
CategoryWasher
LanguageEnglish

Summary

Safety Information

Important Safety Notice

General safety notice for service personnel regarding experience and potential hazards.

Power Disconnection Warning

Warning to disconnect power before servicing to avoid personal injury.

Grounding Device Reconnection

Instruction to ensure all grounding devices are properly reconnected after service.

Safety Requirements

Personal Protective Equipment

Required safety gear for GE Factory Service employees during repairs.

Lockout/Tagout (LOTO) Process

Mandatory 6-step process for safely servicing the appliance before disassembly.

Nomenclature

Model Number Breakdown

Explanation of the letters and numbers that comprise the model number.

Serial Number Identification

Details on how to identify the manufacturing month and year from the serial number.

Introduction

GE Washer Features Overview

Highlights key features of the GE 27 Inch Top Load Washer.

Control Features

Control Panel Layout

Diagram and explanation of the control panel buttons and indicators.

Power and Start/Pause Functions

How to use the Power and Start/Pause buttons for cycle operation.

Display and Status Lights

Explanation of display messages and status lights during cycles.

Wash Cycles

Standard Wash Cycles

Details for Cycles like Colors, Casuals, Delicates, Active Wear, and Cold Wash.

Specialty Wash Cycles

Details for Speed Wash, Basket Clean, Sanitize With Oxi, Jeans, and Heavy Duty cycles.

Bulky Items and Towels/Sheets Cycles

Guidance for washing Bulky Items, Towels, Sheets, and Whites.

Wash Cycle Cautions

Important cautions for washing waterproof, water-resistant, or bulky items.

Cycle Options

Water Level and Rinse Options

Deep Fill and Warm Rinse options for wash cycles.

Soaking and Delay Options

Auto Soak and Delay Wash options for cycle customization.

Rinse and Residue Options

Deep Rinse and Extra Rinse options for improved cleaning.

Additional Options

My Cycle Settings

How to store and recall custom wash cycle settings.

Control Lock Function

How to lock and unlock washer controls to prevent changes.

SmartDispenseā„¢

Automatic Detergent Dispensing

How the SmartDispense feature automatically adds detergent.

Manual Detergent Selection

Manually selecting detergent amount for specific loads.

Consumer Help Indicator

Error Messages and Remedies

Common display messages and their simple remedies.

Load Redistribution Process

Explanation of the washer's redistribution process for out-of-balance loads.

Product Specifications

Electrical Specifications

AC/DC voltage requirements and resistance values for components.

Water Level Specifications

Approximate minimum and maximum water levels for impeller models.

Component Locator Views

Underside Top Cover Components

Diagram identifying parts located on the underside of the top cover.

Tub Assembly

Tub Assembly Components

Exploded view of the tub assembly and its related parts.

Backsplash and Control Board

Backsplash Assembly Diagram

Exploded view of the backsplash assembly.

Control Board Connector Layout

Identification of connectors on the electronic control board.

Bottom View

Washer Bottom Component Identification

Diagram of components visible from the bottom of the washer.

Diagnostics

Consumer Error Mode (CEM)

Procedure to enter/exit CEM for retrieving fault codes.

Field Service Mode

Procedure to enter/exit Field Service Mode for testing.

Service Mode Tests

Basic Display and Code Tests

Tests for LEDs, Fault Codes, Personality ID, and Software Versions.

Component Operation Tests

Tests for valves, pumps, motor functions, and pressure sensor.

System Function and Clearing Tests

Tests for Lid Switch, Spin, Agitate, and clearing fault codes.

Fault Codes

Finding and Reading Fault Codes

Procedure to access and view logged fault codes in service mode.

Troubleshooting Common Faults

Repair actions for Lock Monitor, Lid Monitor, Rotor Monitor, and Reset Monitor faults.

Troubleshooting Pressure and Lid Faults

Repair actions for Pressure Sensor, Flood Level, and Lid Switch faults.

Troubleshooting Motor and Drain Faults

Repair actions for Mode Shifter, Motor, Drain Pump, and Water Temp faults.

Personality ID

Personality ID Numbers

Procedure to change or verify the washer's personality ID.

Cabinet and Structure

Backsplash Removal Procedure

Step-by-step instructions for removing the backsplash assembly.

Lid Assemblies and Latch

Glass Lid Assembly Removal

Steps to remove the glass lid from the washer.

Lid Latch Removal and Reinstallation

Procedure for removing and reinstalling the lid latch mechanism.

Lid Switch/Lock Assembly

Lid Lock Assembly Diagnosis

How to diagnose the lid lock mechanism's operation and resistance.

Lid Switch/Lock Assembly Removal

Steps to remove the bezel and the lid switch/lock assembly.

Lid Hinges and Impeller

Lid Hinge Removal

Steps to remove the lid hinges without removing the top cover.

Impeller Removal Procedure

Steps to remove the impeller, including bolt replacement advice.

Top Cover and Basket Assembly

Top Cover Removal

Steps to remove the top cover assembly.

Basket Removal Procedure

Steps to remove the wash basket from the tub.

Cabinet/Apron Assembly and Leveling

Cabinet/Apron Removal

Instructions for removing the cabinet/apron assembly, noting weight and size.

Leveling Leg Adjustment

Procedure for adjusting leveling legs to ensure the washer is level.

Fill System and Water Valve

Water Valve Location and Diagnosis

Location of the water valve and how to diagnose its coils.

Water Valve Removal

Steps to remove the four-coil water valve assembly.

Thermistor and Tank Funnel

Thermistor Functionality and Table

Description and resistance table for the thermistor.

Bleach/Bulk Tank Funnel Removal

Steps to remove the bleach/bulk tank funnel.

Dispensers and Top Cover Support

Dispenser Box Overview

Description of the dispenser box and its limitations.

Top Cover Support Procedures

Methods for supporting the top cover during service.

Dispenser Removal

Dispenser Box Removal

Detailed steps for removing the dispenser box.

Bulk Detergent Tank

Bulk Detergent Tank Capacity

Information on tank capacity and dispensed detergent amounts.

Bulk Tank Removal

Steps to remove the bulk detergent tank from the top cover.

Aspirator

Aspirator Function and Removal

Explanation of the aspirator's function and steps for removal.

Water Levels and Rinse

Approximate Water Levels

Minimum and maximum water levels for impeller models.

Water Saver Rinse Algorithm

Explanation of the water saver rinse process and logic.

Pressure Sensor

Pressure Sensor Function and Diagnosis

Purpose, replacement, and testing of the pressure sensor.

Wash System and Recirculation Pump

Recirculation Pump Function

Description of the recirculation pump's role in spraying water.

Recirculation Pump Removal

Steps to remove the recirculation pump from the tub.

Drain System and Drain Pump

Drain Pump Function

Description of the drain pump's function and specifications.

Drain Pump Removal

Steps to remove the drain pump from the tub.

Drain Hoses

Internal Drain Hose Removal

Steps to remove the internal drain hose.

External Drain Hose Removal

Steps to remove the external drain hose.

Drive System and Belt

Drive Belt Components and Installation

Description of the drive belt and its installation process.

Drive/Transmission Pulleys

Description and removal procedure for drive and transmission pulleys.

Speed/Hall Sensor

Speed/Hall Sensor Function and Diagnosis

How the sensor works and how to diagnose its operation.

Speed/Hall Sensor Removal

Steps to disconnect and remove the speed/hall sensor.

Drive Motor

Drive Motor Specifications and Diagnosis

Motor power, belt type, and diagnostic resistance values.

Motor Removal Procedure

Steps to remove the drive motor from the platform.

Mode Shifter

Mode Shifter Function and Diagnosis

Description of the mode shifter, its diagnosis, and removal.

Platform/Transmission Assembly

Platform/Transmission Assembly Function

Description of the platform assembly housing the transmission.

Platform/Transmission Removal

Steps to remove the platform/transmission assembly.

Main Harness Assembly

Main Harness Function

How the main harness supplies power and signals to components.

Main Harness Removal

Steps to remove the main harness assembly.

Riser

Riser Function and Removal

Description of the riser and steps for its removal.

Schematics and Wiring Diagrams

Component Resistance Table

Table of component resistances for diagnostic purposes.

Wire Color Key

Key to wire colors used in the schematics and diagrams.

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