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LG WM3001HRA User Manual

LG WM3001HRA
116 pages
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LG TRAINING MANUAL
Spring 2009 Washer Training
LG TRAINING MANUAL
WM3001HRA

Table of Contents

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LG WM3001HRA Specifications

General IconGeneral
BrandLG
ModelWM3001HRA
CategoryWasher
LanguageEnglish

Summary

Important Safety Notices

General Safety Notice

Provides critical safety information for servicing the appliance, emphasizing authorized use and modifications.

Cautionary Advice

Warns about electrical shock hazards and the weight of appliances during servicing.

Washer Controls

Door Lock System

Load Sensing Functionality

Washer Installation Guide

Water and Electrical Connections

Water Inlet Connections

Details connecting hot and cold water inlet hoses correctly.

Electrical Requirements

Specifies the 120 VAC, 60 Hz, 20-amp circuit requirement for the steam washer.

Control Panel Overview

Pre-Service Procedures

Safety Before Service

Provides essential safety precautions before commencing any service work.

Water Temperature Control

Detergent Dispenser System

The Rule of Twos for Laundry Products

Direct Drive Motor System

Disassembly and Repair Procedures

Block Wiring Diagram

Presents the overall block wiring diagram of the washing machine.

Control Board Connections Labeled

Identifies and labels the various connectors on the main control board.

Control Panel Disassembly

Details the steps for disassembling and repairing the control panel assembly.

Main Control Board Access

Explains how to access and disconnect the main control board.

Dispenser Assembly Service

Provides instructions for removing and servicing the dispenser assembly.

Front Cover Removal

Details the procedure for removing the front cover of the machine.

Removing Front Cover

Continues instructions for removing the front cover.

Door and Hinge Service

Provides steps for removing and servicing the door and its hinges.

Pumps and Filter Housing

Details the removal and servicing of the pump and filter assembly.

Wash Heater Removal and Testing

Provides instructions for removing and testing the wash heater element.

Motor Removal and Installation

Details the process of removing and reinstalling the motor.

Tub and Drum Assembly Removal

Guides on the major procedure of removing the tub/drum assembly.

Test Mode Operations

Test Mode Display Interpretation

Error Display and Codes

Error Display Behavior

Describes how error codes are displayed and the machine's response.

Common Error Codes

Lists common error codes, symptoms, and potential causes.

Locked Motor Error (LE)

Details the LE error code, its causes, and troubleshooting steps.

Troubleshooting Summary

Troubleshooting with Error Codes

Inlet Valve Troubleshooting

Details troubleshooting steps for inlet valve errors.

Drain Error Troubleshooting

Provides a troubleshooting flowchart for drain errors.

Drain Pump Checks

Details resistance and voltage checks for the drain pump.

Heating Error (TE Error Code)

Locked Motor Error (LE Error Code)

Rotor Magnet and Stator Checks

Guides on checking the rotor magnet and stator resistance.

Door Open Error

Door Switch and PCB Checks

Details checks for the door switch assembly and PCB.

Unbalance Error Diagnosis

Overflow Error Troubleshooting

Pressure Sensor Error Troubleshooting

No Power Troubleshooting

LED and Display PWB Checks

Details checks for the main PWB LED and display PWB.

Buttons Not Operating Properly

Display PCB and Button Checks

Guides on checking the display PCB and physical buttons.

Vibration and Noise in Spin Cycle

Vibration Sensor Check

Vibration Sensor Terminal Checks

Guides on checking vibration sensor terminals and connectors.

Laundry Products Not Dispensing

Abnormal Sound Diagnosis

Component Test Procedures

Noise Filter Testing

Details how to test the noise filter using a multimeter.

Door Lock Switch Assembly

Door Locking Operation

Describes the process and conditions for locking the door.

Stator Assembly

Hall Sensor Information

Hall Sensor Ohm and Voltage Testing

Provides detailed ohm and voltage testing methods for the hall sensor.

Hall Sensor Testing Specifications

Testing Hall Sensor from Control Board

Pump Motors

Inlet Valve Assembly

Heater Driver Circuit

Wiring Diagram for Heaters

Presents wiring diagrams for heater driver circuits.

Wash Heater Service

Steam Generator Heater Assembly

Sensor Wiring Diagram

Thermistor Assembly

Wash Thermistor Resistance Testing

Details resistance testing for the wash thermistor at various temperatures.

Steam Generator Thermistor Testing

Vibration Sensor Functionality

Wiring Diagram

Parts List

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