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LG GCWF1069CS1 User Manual

LG GCWF1069CS1
50 pages
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WASHING MACHINE
SERVICE MANUAL
MODEL : GCWF1069CS1/GCWF1069CD1/GCWF1069QS1/
CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE
PROBLEMS CORRECTLY BEFORE SERVICING THE UNIT.
Any reproduction, duplication, distribution (including by way of email, facsimile or other electronic means),
publication, modification, 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 © 2016 - 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
CONFIDENTIAL
GCWF1069QD1/GCWF1069CS3/GCWF1069CD3/
GCWF1069QS3/GCWF1069QD3
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LG GCWF1069CS1 Specifications

General IconGeneral
Load TypeFront Load
Washing Capacity10.5 kg
Drying Capacity7 kg
Spin Speed1400 RPM
Steam FunctionYes
Inverter Direct DriveYes
Smart DiagnosisYes
Energy Rating4 Stars
ColorSilver
Inverter MotorYes
Smart FunctionalityYes
TypeFront Load
Dimensions (HxWxD)850 x 600 x 600 mm

Summary

Important Safety Instructions

General Safety Warnings

Provides essential warnings regarding fire, electric shock, and injury prevention during operation.

Grounding Instructions

Details proper grounding procedures for safe appliance operation and to prevent electric shock.

Specifications

Features and Technical Explanation

Key Features of the Washing Machine

Highlights features like Direct Drive, large door opening, ultra capacity, stainless steel drum, and tub clean.

Water Level and Door Control Systems

Explains water level sensing, door locking mechanisms, and conditions when the door cannot be opened.

Door Locked Lamp Indicators

Details the conditions under which the door locked lamp lights up and how it can be canceled.

Parts Identification

Installation Instructions

Shipping Bolts Removal Procedure

Step-by-step guide on how to remove shipping bolts and braces before operating the appliance.

Installation Clearances and Dimensions

Specifies required space around the washer and provides key machine dimensions for proper installation.

Minimum Spacing for Recessed Installation

Outlines minimum clearances needed for installing the washer in a recessed area, ensuring ventilation and access.

Auto Dosing System Installation

Instructions for installing the auto dosing system, including detergent and input period settings.

Auto Dosing Interface Wiring

Details the wiring connections for the auto dosing system interface, specifying wire colors and signals.

Appliance Placement on Surface

Guidance on placing the washer on a firm surface to minimize noise and vibration.

Power Plug Connection Procedure

Instructions for correctly connecting the power plug to prevent electrical hazards.

Level Adjustment for Stability

Instructions on how to properly level the washing machine using adjustable feet to minimize noise and vibration.

Electrical Connection Details

Covers important electrical connection points, fuse requirements, and precautions for the power cord.

Connecting Water Supply Hoses

Procedure for connecting hot and cold water supply hoses, including pressure requirements and leak prevention.

Drain Hose Installation Guidelines

Instructions for correctly installing the drain hose to prevent flooding, damage, and ensure proper drainage.

Operation

Control Panel Features Overview

Introduces the control panel layout and features for different machine types (Coin, Card/OPL).

Display and Status Indicators

Explains the function of the Display LED and Status LEDs for cycle indication and error messages.

Cycle and Control Buttons

Details the usage of the Cycle, Start/Pause, and optional function buttons for operation.

Cycle Selection Guide

Provides guidance on selecting appropriate wash cycles based on fabric type and soil levels.

Wiring Diagram/Program Chart/PCB Layout

Wiring Diagram and Program Chart

Presents the electrical wiring diagram and a program chart detailing cycle operations and parameters.

Main PCB Layout and Connectors

Illustrates the layout of the main Printed Circuit Board (PCB) and identifies various connectors and their functions.

Troubleshooting

Pre-Service Checks and Precautions

Essential safety advice and preliminary checks before attempting any troubleshooting on the appliance.

QC Test Mode Procedure

Instructions for entering and operating the Quality Control (QC) test mode for diagnosing issues.

Checking Water Level Sensor Frequency

Procedure for checking the water level sensor frequency using specific button combinations.

Checking Drum Spin RPM

Method to verify the drum's spin speed (RPM) by pressing specific buttons on the control panel.

Error Display Codes (Part 1)

Lists common error codes (IE, UE, DE, FE, FE, dE1) with their symptoms and potential causes.

Error Display Codes (Part 2)

Continues the list of error codes (LE, EE, C-E, LE) with their symptoms and underlying causes.

Dispenser Operation and Types

Explains the function of the dispenser drawer for single and stack models and the types of detergents used.

Diagnosis and Troubleshooting

Troubleshooting: No Power Issues

Flowchart to diagnose and resolve issues when the appliance does not power on.

No Power Circuit Diagram Analysis

Presents the main PWB circuit diagram relevant to diagnosing no power conditions.

Troubleshooting: IE Error (No Water Supply)

Flowchart to diagnose and resolve the IE error, indicating no water supply or inlet issues.

Inlet Valve Error Diagnosis

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

Troubleshooting: OE Error (Drain Trouble)

Flowchart to diagnose and resolve the OE error, indicating drain pump or hose issues.

Drain Pump Error Diagnosis

Details checks for drain pump errors, including wiring, resistance, and voltage tests.

Troubleshooting: FE Error (Overflow)

Flowchart for diagnosing FE errors, related to water overflow and inlet valve or pressure switch issues.

Troubleshooting: PE Error (Pressure Switch)

Flowchart for diagnosing PE errors, related to pressure switch malfunction.

Pressure Sensor Error Diagnosis

Details checks for pressure sensor errors, including wiring, resistance, and air chamber clogs.

Troubleshooting: dE1/dE2 Error (Door Error)

Flowchart to diagnose and resolve door errors (dE1/dE2) related to door switch and latch hook.

Door Open Error Diagnosis

Details checks for door open errors (dE), including wiring, latch hook, and switch resistance.

Troubleshooting: Vibration and Noise in Spin

Guides on resolving vibration and noise issues during the spin cycle, checking bolts, floor, and leveling.

Detergent/Softener/Bleach Flow Issues

Diagnoses problems with detergent, softener, or bleach not flowing into the dispenser correctly.

Abnormal Sound Troubleshooting

Guides on diagnosing and resolving abnormal sounds originating from the motor or other components.

Troubleshooting: Suds Overflow

Addresses issues of suds overflow, recommending correct detergent usage and amount.

Troubleshooting: Water Overflow from Drawer/Dispenser

Guides on resolving water overflow from the drawer or dispenser, checking for sheet detergent use.

Disassembly Instructions

Control Panel and Display PWB Disassembly

Steps to disassemble the control panel assembly and disconnect the display PWB connector.

Top Plate Assembly Disassembly

Procedure for safely removing the top plate assembly, including warnings about sharp edges.

Main PWB Assembly Disassembly

Steps for disassembling the main Printed Circuit Board (PWB) assembly, including fuse replacement.

Dispenser and Inlet Valve Assembly Disassembly

Instructions for disassembling the dispenser and inlet valve assemblies, including connector removal.

Cabinet Cover Disassembly Steps

Detailed steps for removing the cabinet cover, including unscrewing screws and releasing clips.

Gasket Removal Procedure

Steps to disassemble the cabinet cover and then remove the tub gasket assembly.

Door Assembly and Lock Switch Disassembly

Instructions for disassembling the door, hinge cover, and door lock switch assembly.

Pump, Heater/Thermistor, and Noise Filter Disassembly

Steps to disassemble the pump assembly, heater/thermistor, and noise filter components.

Motor Assembly and Damper Disassembly

Instructions for disassembling the motor assembly (rotor, stator) and the damper components.

Exploded View

Exploded View: Cabinet & Control Panel

Diagram showing the exploded view of the cabinet and control panel assembly components.

Exploded View: Drum & Tub Assembly

Diagram illustrating the exploded view of the drum and tub assembly components.

Exploded View: Dispenser Assembly (Single Model)

Diagram showing the exploded view of the dispenser assembly for single model configurations.

Exploded View: Dispenser Assembly (Stack Model)

Diagram showing the exploded view of the dispenser assembly for stack model configurations.

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