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LG DLEX4270 /01 Series - User Manual

LG DLEX4270 /01 Series
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PB 1
ELECTRIC & GAS DRYER
SERVICE MANUAL
CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE
PROBLEMS PROPERLY AND TO PROVIDE
QUALITY SERVICE SAFELY ON THESE DRYERS.
U.S.A. Website: http://us.lgservice.com
Canadian Website: http://lg.ca
MODEL : Electric Gas
DLEX4270*/01 DLGX4271*/01
FOR LG TECHNICIAN
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 © 2016 - 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
CONFIDENTIAL

Questions and Answers

  • M
    Michael RobinsonAug 17, 2025
    What to do if garments are too damp or too dry after using REDUCE STATIC on my LG Dryer?
    • S
      sierracoxAug 17, 2025
      To prevent garments from being too damp or too dry after using the REDUCE STATIC option on your LG Dryer, manually select the load weight before starting the REDUCE STATIC option. The issue is likely due to incorrect drying options being selected.
  • S
    Stephanie MilesAug 19, 2025
    Why is the indicator light on during the drying cycle of my LG Dryer?
    • B
      benjaminhubbardAug 20, 2025
      If indicator lights are on during the drying cycle of your LG Dryer, it may be due to a water supply error. Check the steam feeder drawer to ensure it's filled with water to the MAX line, properly seated, and fully closed. Turn the dryer off, then restart the steam cycle. Do not use distilled water. If the pump is not working, unplug the dryer and call for service.
  • D
    Deanna LopezAug 22, 2025
    Why do odors remain in clothing after using STEAM FRESH™ on my LG DLEX4270 /01 Dryer?
    • L
      Laura RiceAug 22, 2025
      If odors remain in clothing after using the STEAM FRESH™ cycle on your LG Dryer, it's because the STEAM FRESH™ cycle didn't completely remove the odor. For fabrics with strong odors, wash them in a normal cycle instead.
  • T
    Tracy CraneAug 26, 2025
    How to prevent garments from being wrinkled after STEAM FRESH™ cycle in my LG DLEX4270 /01?
    • C
      Christopher JohnsonAug 26, 2025
      To address garments that are still wrinkled after using the STEAM FRESH™ cycle on your LG Dryer, try using smaller loads of 1 to 5 items, and load similar-type garments. This issue is caused by having too many or too different types of garments in the dryer at once.
  • B
    Brenda AndersonAug 28, 2025
    Why does water drip from the nozzle when the steam cycle starts on my LG DLEX4270 /01?
    • B
      Brandon MillerAug 28, 2025
      If water drips from the nozzle when the steam cycle starts on your LG Dryer, this is normal. It's just steam condensation, and the dripping will stop shortly.
  • T
    Tracie HintonAug 30, 2025
    What to do if there are no creases left on garment after STEAM FRESH™ cycle in my LG DLEX4270 /01 Dryer?
    • M
      marythompsonAug 31, 2025
      If you find there are no creases left on garments after using the STEAM FRESH™ cycle on your LG Dryer, it's because the function of this cycle is to remove wrinkles from fabric. Use an iron to make creases if desired.
  • K
    Karen FosterSep 2, 2025
    Why does water drip from the door during the steam cycle of my LG DLEX4270 /01?
    • J
      John SmithSep 2, 2025
      If water drips from the door during the steam cycle of your LG Dryer, this is normal. It's just steam condensation on the door surface.
  • J
    james31Sep 5, 2025
    Why is steam not visible during the steam cycle of my LG Dryer?
    • A
      Adrian MurraySep 5, 2025
      If steam is not visible during the steam cycle on your LG Dryer, this is normal. Steam vapor is difficult to see when the door is closed.
  • L
    Lance PhillipsSep 8, 2025
    Why doesn't the drum turn during the steam cycle of my LG DLEX4270 /01?
    • S
      stevensmichaelSep 8, 2025
      If the drum does not turn during the steam cycle of your LG Dryer, this is normal. The drum is turned off so that the steam vapor remains in the drum.
  • J
    Jennifer JohnsonSep 12, 2025
    Why can't I see steam vapor at the beginning of the cycle in my LG DLEX4270 /01 Dryer?
    • H
      Haley CooperSep 12, 2025
      If you cannot see steam vapor at the beginning of the cycle on your LG Dryer, this is normal. Steam is released at different stages of the cycle for each option.

Summary

Important Safety Notice

Grounding Devices

Instructions for reconnecting grounding devices after service.

Gas Leak Safety

Procedure to follow if a gas leak is detected.

Installation Instructions

Connecting Electric Dryers

Options for connecting electric dryers to different home electrical systems.

Connecting the Gas Supply

Procedure for connecting the dryer to the gas supply line.

Dryer Cycle Process

Troubleshooting Steam Cycles

Common problems and solutions related to steam functions.

Display Fault;Error Codes

List and explanation of error codes displayed by the dryer.

Component Testing Information

Thermal Cut Off & Thermostats

Testing procedures and resistance values for thermal safety components.

Heater & Gas Valve

Testing procedures for the heater and gas valve components.

Igniter & Flame Detector

Testing procedures for igniter and flame detector.

Outlet Thermostats

Testing procedures for auto and manual reset outlet thermostats.

Motor Diagram and Schematic

Wiring Diagram

Electric Dryer Wiring

Schematic diagram for electric dryer electrical connections.

Gas Dryer Wiring

Schematic diagram for gas dryer electrical connections.

Troubleshooting with Symptom

Electric Dryer Not Heating

Diagnostic steps for electric dryers that are not heating.

Gas Dryer Not Heating

Diagnostic steps for gas dryers that are not heating.

Not Tumbling Issues

Troubleshooting steps for dryer models that are not tumbling.

Flow Sensor Function

Troubleshooting Flow Sensor Dryer

Error codes and solutions for flow sensor dryer issues.

Diagnostic Test

Activating Diagnostic Mode

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

Change Gas Setting

Gas Setting Conversion

Instructions for changing gas settings from natural to propane.

Disassembly Instructions

LG DLEX4270 /01 Series Specifications

General IconGeneral
Appliance CategoryDryer
Fuel TypeElectric
Capacity (cu. ft.)7.4
SteamYes
Sensor DryYes
Reversible DoorYes
ENERGY STAR QualifiedYes
ColorWhite
Dryer VentingVented
Number of Drying Racks1
Number of Dryer Settings5
Energy Star CertifiedYes
Width27 inches

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