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LG DLE2250 Series - User Manual

LG DLE2250 Series
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ELECTRIC & GAS DRYER
SERVICE MANUAL
CAUTION
READ THIS MANUAL CAREFULLY IN ORDER TO
PROPERLY DIAGNOSE PROBLEMS AND TO SAFELY
PROVIDE QUALITY SERVICE ON THESE DRYERS.
U.S.A. Website: http://us.lgservice.com
Canadian Website: http://lg.ca
MODEL : Electric Gas
DLE2250* DLG2251*
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Summary

Safety Warnings and Procedures

General Safety Guidelines

Essential safety guidelines for appliance repair and handling, including warnings about power disconnection.

Grounding and Gas Leak Protocols

Instructions for reconnecting grounding devices and procedures for gas leak detection.

Electrostatic Discharge (ESD) Precautions

Guidelines for preventing ESD damage to sensitive electronic components during repair.

Dryer Features and Benefits

Installation Instructions

Pedestal Installation

Electrical Connection Options

3-Wire Direct Connection

Optional 3-Wire Connection

Gas Supply Pipe Connection

Connecting Gas Supply Pipe

Procedure for safely connecting the gas supply pipe to the gas dryer unit.

Dryer Cycle Process Overview

Component Testing Information

Thermal Cut-off & Thermostat Tests

Procedures for testing thermal cut-offs, hi-limit, and outlet thermostats for proper function.

Component Testing (Part 2)

Heater, Thermistor & Motor Tests

Methods to test heater, thermistor resistance, and motor continuity.

Gas Valve & Igniter Component Tests

Testing procedures for gas valve terminals and igniter resistance.

Component Testing (Part 3)

Motor Diagram and Schematic

Wiring Diagrams

Flow Sensor Functionality

Flow Sensor Installation Check

Flow Sensor Troubleshooting

Diagnostic Test Procedures

Test 1: 120 V AC Electrical Supply

Checking 120 V AC Electrical Supply

Procedure to check the 120V AC electrical supply to the dryer controller.

Test 2: Thermistor Test

Thermistor Measurement Procedure

Steps to test the thermistor's resistance against temperature charts.

Test 3: Motor Test

Motor Operation and Resistance Test

Testing the motor's resistance and operation, including checks for the idler switch.

Test 4: Moisture Sensor Test

Moisture Sensor Functional and Mechanical Tests

Functional and mechanical tests for the dryer's moisture sensing system.

Test 5: Door Switch Test

Door Switch Functionality Test

Procedure to test the door switch functionality and its impact on dryer operation.

Test 6: Heater Switch Test

Heater Switch Test (Electric Type)

Testing heater switch operation and resistance for electric dryer models.

Test 7: Gas Valve Test

Gas Valve Test Procedure (Gas Type)

Diagnostic steps to test the gas valve voltage and terminal resistance.

Test 8: Semiconductor Test

Semiconductor Resistance Test

Procedure to measure the resistance of the semiconductor component.

Gas Setting and Orifice Change

Disassembly Instructions

Exploded View Diagrams

Summary

Safety Warnings and Procedures

General Safety Guidelines

Essential safety guidelines for appliance repair and handling, including warnings about power disconnection.

Grounding and Gas Leak Protocols

Instructions for reconnecting grounding devices and procedures for gas leak detection.

Electrostatic Discharge (ESD) Precautions

Guidelines for preventing ESD damage to sensitive electronic components during repair.

Dryer Features and Benefits

Installation Instructions

Pedestal Installation

Electrical Connection Options

3-Wire Direct Connection

Optional 3-Wire Connection

Gas Supply Pipe Connection

Connecting Gas Supply Pipe

Procedure for safely connecting the gas supply pipe to the gas dryer unit.

Dryer Cycle Process Overview

Component Testing Information

Thermal Cut-off & Thermostat Tests

Procedures for testing thermal cut-offs, hi-limit, and outlet thermostats for proper function.

Component Testing (Part 2)

Heater, Thermistor & Motor Tests

Methods to test heater, thermistor resistance, and motor continuity.

Gas Valve & Igniter Component Tests

Testing procedures for gas valve terminals and igniter resistance.

Component Testing (Part 3)

Motor Diagram and Schematic

Wiring Diagrams

Flow Sensor Functionality

Flow Sensor Installation Check

Flow Sensor Troubleshooting

Diagnostic Test Procedures

Test 1: 120 V AC Electrical Supply

Checking 120 V AC Electrical Supply

Procedure to check the 120V AC electrical supply to the dryer controller.

Test 2: Thermistor Test

Thermistor Measurement Procedure

Steps to test the thermistor's resistance against temperature charts.

Test 3: Motor Test

Motor Operation and Resistance Test

Testing the motor's resistance and operation, including checks for the idler switch.

Test 4: Moisture Sensor Test

Moisture Sensor Functional and Mechanical Tests

Functional and mechanical tests for the dryer's moisture sensing system.

Test 5: Door Switch Test

Door Switch Functionality Test

Procedure to test the door switch functionality and its impact on dryer operation.

Test 6: Heater Switch Test

Heater Switch Test (Electric Type)

Testing heater switch operation and resistance for electric dryer models.

Test 7: Gas Valve Test

Gas Valve Test Procedure (Gas Type)

Diagnostic steps to test the gas valve voltage and terminal resistance.

Test 8: Semiconductor Test

Semiconductor Resistance Test

Procedure to measure the resistance of the semiconductor component.

Gas Setting and Orifice Change

Disassembly Instructions

Exploded View Diagrams

LG DLE2250 Series Specifications

General IconGeneral
BrandLG
ModelDLE2250 Series
CategoryDryer
LanguageEnglish

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