LG GCWM1069CD7 User Manual

WASHING MACHINE
SERVICE MANUAL
MODEL : GCWM1069CS7
GCWM1069CD7
GCWM1069QS7
GCWM1069QD7
CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE
PROBLEMS CORRECTLY BEFORE SERVICING THE UNIT.
CONFIDENTIAL
Any reproduction, duplication, distribution (including by way of email, facsimile or other electronic means),
publication, modication, copying or transmission of this Service Manual is STRICTLY PROHIBITED unless
you have obtained the prior written consent of the LG Electronics entity from which you received this Service
Manual. The material covered by this prohibition includes, without limitation, any text, graphics or logos in this
Service Manual.
Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.

LG GCWM1069CD7 Specifications

General

Brand	LG
Model	GCWM1069CD7
Category	Washer
Language	English

Summary

IMPORTANT SAFETY INSTRUCTIONS

FEATURES & TECHNICAL EXPLANATION

INSTALLATION INSTRUCTIONS

INSTALL THE APPLIANCE ON A FLAT AND FIRM SURFACE

Requirements for floor stability and leveling for optimal washer performance and vibration reduction.

CONNECT POWER PLUG

Instructions and precautions for connecting the washing machine's power cord to an electrical outlet.

Level adjustment

Detailed steps for adjusting the washing machine's feet to ensure it is level and stable.

Electrical connection

Guidelines for safe and proper electrical hookup of the washing machine.

Connecting the water supply hoses

Instructions for attaching the water inlet hoses, including pressure and connection details.

Installation of drain hose

Proper methods for connecting and securing the washing machine's drain hose to prevent leaks and flooding.

OPERATION

CONTROL PANEL FEATURES

Overview and explanation of the buttons, display, and indicators on the washing machine's control panel.

WIRING DIAGRAM/PROGRAM CHART/PCB LAYOUT

TROUBLESHOOTING

BEFORE PERFORMING SERVICE

Important safety precautions and electrical warnings before starting troubleshooting.

QC TEST MODE

Procedure for entering and operating the Quality Control test mode for diagnostics.

ERROR DISPLAY

List of error codes displayed on the machine, their symptoms, and potential causes.

DIAGNOSIS AND TROUBLESHOOTING

NO POWER

Flowchart and steps to diagnose and resolve issues related to the washing machine not receiving power.

IE ERROR (NO WATER SUPPLY)

Troubleshooting guide for the 'IE' error, indicating issues with water inlet or supply.

INLET VALVE ERROR

Detailed checks for inlet valve errors, including wiring, resistance, and voltage.

OE ERROR (DRAIN TROUBLE)

Diagnostic steps and solutions for the 'OE' error, related to drain pump or hose issues.

FE ERROR

Troubleshooting guide for the 'FE' error, related to over-filling or pressure switch issues.

PE ERROR (PRESSURE S/W TROUBLE)

Diagnostic steps for the 'PE' error, indicating problems with the pressure switch.

dE1/dE2 ERROR (DOOR ERROR)

Troubleshooting guide for door errors, covering door opening, load size, and switch assembly.

DOOR OPEN ERROR (dE)

Checks for door open errors, focusing on wiring, latch hook, and door switch resistance/voltage.

VIBRATION & NOISE IN SPIN

Adjusting legs

Step-by-step guide on using a wrench to adjust the machine's feet for proper leveling.

Unbalance(load)

Load distribution

Required Clearance

DISASSEMBLY INSTRUCTIONS

CONTROL PANEL ASSEMBLY

Instructions for removing the washing machine's control panel assembly.

DISPLAY PWB ASSEMBLY

Steps to disassemble and remove the display printed circuit board assembly.

TOP PLATE ASSEMBLY

Procedure for removing the top plate of the washing machine, with safety precautions.

MAIN PWB ASSEMBLY

Detailed instructions for disassembling and replacing the main printed circuit board assembly.

DISPENSER ASSEMBLY

INLET VALVE ASSEMBLY

CABINET COVER

DOOR ASSEMBLY

DOOR LOCK SWITCH ASSEMBLY

PUMP ASSEMBLY

HEATER

MOTOR ASSEMBLY