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LG DLE4970 E Series - User Manual

LG DLE4970 E Series
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1
ELECTRIC & GAS DRYER
SERVICE MANUAL
CAUTION
READ THIS MANUAL CAREFULL Y IN ORDER TO
PROPERL Y DIAGNOSE PROBLEMS AND TO SAFELY
PROVIDE QUALITY SER VICE ON THESE DR YERS.
U.S.A. Website: http://us.lgservice.com
Canadian Website: http://lg.ca
MODEL :
DLE4970*E DLG4971*E

Table of Contents

Questions and Answers

  • C
    Clifford AndersonAug 4, 2025
    How to maintain the exhaust system of my LG Dryer?
    • R
      Reginald RobertsAug 4, 2025
      To ensure safe and efficient operation of your LG Dryer, do not use the dryer until the exhaust system has been properly cleaned or repaired. Using the dryer with a severely restricted exhaust system can lead to property damage. Check the outside dryer vent while the dryer is running. If the exhaust system is extremely long, have it repaired or rerouted. Keep the area around the dryer clean and free of clutter. Inspect the vent hood for any damage or lint clogging, and make sure the area around the vent hood is clear.
  • M
    Michael DennisAug 17, 2025
    What to do if FLOW SENSE indicator shows four bars on my LG DLE4970 E?
    • K
      kmclaughlinAug 17, 2025
      If the FLOW SENSE indicator on your LG Dryer displays four bars during the drying cycle, it means the dryer is sensing exhaust restrictions. This could be due to several reasons: the ductwork may have too many turns or restrictions, there might be lint buildup or debris in the ductwork, or there could be a restriction in the external dryer venting. You can install a shorter or straighter duct run. The ductwork should be checked and cleaned soon. The dryer can still be used, but drying times might be longer. Note that the FLOW SENSE indicator will remain on for two hours after the cycle ends if exhaust restrictions are sensed, but this can be cleared by opening the door or pressing the POWER button.

Summary

IMPORTANT SAFETY NOTICE

RECONNECT ALL GROUNDING DEVICES

Instructions for reconnecting grounding devices after service.

WHAT TO DO IF YOU SMELL GAS

Steps to take if a gas leak is detected.

Electrostatic Discharge (ESD) Sensitive Electronics

Precautions for handling sensitive electronic components.

SPECIFICATIONS

OPTIONAL ACCESSORIES

Lists and describes optional accessories available for the dryer.

FEATURES AND BENEFITS

INSTALLATION INSTRUCTIONS

Dryer Rack Installation Instructions

Guide on how to install the dryer rack.

Connecting Electric Dryers

Detailed steps for connecting electric dryers to power supplies.

Connecting the Gas supply

Instructions for safely connecting the gas supply to the dryer.

DRYER CYCLE PROCESS

COMPONENT TESTING INFORMATION

General Component Testing Procedures

Procedures and expected results for testing various dryer components.

MOTOR DIAGRAM AND SCHEMATIC

Centrifugal Switch Operation

Diagram showing centrifugal switch operation for motor contact.

WIRING DIAGRAM

ELECTRIC DRYER WIRING DIAGRAM

Schematic showing electrical connections for electric dryers.

GAS DRYER WIRING DIAGRAM

Schematic showing electrical connections for gas dryers.

FLOW SENSOR FUNCTION

Installation check

Procedure to verify the exhaust system condition using the Flow Sense system.

Troubleshooting for flow sensor dryer

DIAGNOSTIC TEST

ACTIVATING THE DIAGNOSTIC TEST MODE

Steps to enter and activate the dryer's diagnostic test mode.

TEST 1 120 V AC ELECTRICAL SUPPLY

Procedure to test the 120V AC electrical supply to the dryer.

TEST 2 THERMISTOR TEST

Procedure to test the thermistor's resistance when power is off.

TEST 3 MOTOR TEST

Procedure to test the dryer's motor by measuring resistance.

TEST 4 MOISTURE SENSOR

Procedure to test the moisture sensor's IMC ratio and voltage.

TEST 5 DOOR SWITCH TEST

Procedure to test the functionality of the door switch.

TEST 6 HEATER SWITCH TEST

Procedure to test the heater switch on electric models.

TEST 7 GAS VALVE TEST

Procedure to test the gas valve on gas type dryers.

TEST 8 MOTOR ASSEMBLY, DC, PUMP

Procedure to test the DC pump motor assembly.

CHANGE GAS SETTING

VALVE SETTING

Instructions for adjusting the gas valve setting for different gas types.

ORIFICE CHANGE

Instructions for changing the gas orifice based on gas type.

DISASSEMBLY INSTRUCTIONS

CONTROL PANEL ASSEMBLY

Steps to disassemble the dryer's control panel assembly.

TOP COVER

Detailed instructions on how to remove and replace the top cover of the dryer.

CABINET COVER

Steps to remove and disassemble the dryer's cabinet cover.

DRUM ASSEMBLY

Instructions for disassembling the drum assembly.

FILTER ASSEMBLY

Steps to disassemble and remove the filter assembly.

DOOR

Steps to disassemble the dryer door.

DRYER EXHAUST CHANGE

DOOR REVERSE

SCREW POSITION

Door Screw Positions

Diagrams indicating the correct position for screws used on the dryer door.

Cabinet Cover Screw Positions

Diagrams indicating the correct position for screws used on the cabinet cover.

EXPLODED VIEW

Control Panel And Plate Assembly

Exploded view of the control panel and related components.

Cabinet and Door Assembly: Electric Type

Exploded view of the cabinet and door assembly for electric models.

Cabinet and Door Assembly: Gas Type

Exploded view of the cabinet and door assembly for gas models.

Drum and Motor Assembly: Electric Type

Exploded view of the drum and motor assembly for electric models.

Drum and Motor Assembly: Gas Type

Exploded view of the drum and motor assembly for gas models.

LG DLE4970 E Series Specifications

General IconGeneral
BrandLG
ModelDLE4970 E Series
CategoryDryer
LanguageEnglish

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