LG Washer Troubleshooting Manual

Complete Guide to Diagnose and Fix Common Issues

Comprehensive Troubleshooting Guide

Common Issues

Problem Possible Cause Solution
Washer won't start Power outage, door not closed, control lock activated Check power supply, ensure door is latched, deactivate control lock
No water filling Water supply valves closed, clogged inlet screens, kinked hoses Open water valves, clean inlet screens, straighten hoses
Water won't drain Drain hose clogged, pump filter blocked, drain pump failure Clear drain hose, clean pump filter, check drain pump
Excessive vibration Unbalanced load, uneven flooring, shipping bolts not removed Redistribute load, level machine, remove shipping bolts
Leaking water Loose connections, damaged door seal, over-sudsing Tighten connections, replace door seal, use less detergent
Unusual noises Foreign objects in drum, worn bearings, loose components Remove objects, inspect bearings, tighten components
Poor cleaning Overloading, incorrect detergent, wrong cycle selection Reduce load size, use HE detergent, select proper cycle
Door won't open Cycle in progress, water in drum, door lock mechanism failure Wait for cycle end, drain water, check door lock
Safety First: Always unplug the washer before attempting any repairs. Contact qualified technician for complex issues.

Error Codes

IE Water supply issue - Check water pressure and inlet valve
OE Drain issue - Check drain hose and pump filter
FE Water overflow detected - Check for leaks and water level
LE Motor issue - Direct Drive motor problem detected
dE Door not closed properly - Ensure door is fully latched
UE Unbalanced load - Redistribute clothes evenly
TE Temperature sensor error - Check heating element
PE Pressure sensor error - Check water level sensor
CE Communication error - Control board communication failure
HE Heating error - Heating system malfunction

Error Code Reset Procedures

  1. Basic Reset: Unplug the washer for 5 minutes, then plug back in
  2. Hard Reset: Press and hold Start/Pause button for 5 seconds
  3. Factory Reset: Press and hold Temperature and Spin buttons simultaneously for 3 seconds
  4. Power Cycle: Turn off circuit breaker for 10 minutes, then restore power
Note: If error codes persist after reset, contact LG Customer Service for professional assistance.

Diagnostic Tools

Smart Diagnosis™

Use the LG Smart Diagnosis feature through the ThinQ app to automatically diagnose issues and receive specific troubleshooting guidance.

Test Mode

Access the washer's built-in test mode to check individual components including motor, pump, and sensors for proper operation.

Error Code History

View stored error codes in the control board memory to identify recurring issues and patterns for more accurate diagnosis.

Component Testing

Step-by-step procedures to test individual components including door lock, water valves, drain pump, and temperature sensors.

Smart Diagnosis™ Setup

  1. Download LG ThinQ app from App Store or Google Play
  2. Create account and add your washer to the app
  3. When issue occurs, select "Smart Diagnosis" in the app
  4. Follow on-screen instructions to complete diagnosis
  5. Receive specific troubleshooting steps based on diagnosis

Test Mode Activation

Motor Test

Tests Direct Drive motor operation and speed control

Drain Test

Tests drain pump and water removal system

Valve Test

Tests hot and cold water inlet valves

Sensor Test

Tests all sensors including pressure and temperature

Preventive Maintenance

Regular Maintenance Schedule

After Every Use Wipe door seal and glass, leave door slightly open to dry
Monthly Clean detergent dispenser, run tub clean cycle
Every 3 Months Clean drain pump filter, inspect hoses for wear
Every 6 Months Check and clean water inlet screens, inspect door seal
Annually Professional inspection, check all connections

Maintenance Procedures

Cleaning Drain Pump Filter:

  1. Turn off and unplug the washer
  2. Locate the drain pump filter access panel
  3. Place towel to catch residual water
  4. Slowly unscrew the filter counterclockwise
  5. Remove any debris and clean the filter
  6. Reinstall filter and ensure proper sealing

Tub Clean Cycle:

  1. Select Tub Clean cycle on control panel
  2. Add approved washing machine cleaner
  3. Run complete cycle without laundry
  4. Wipe interior with clean cloth after cycle
  5. Leave door open to air dry completely
Important: Regular maintenance prevents 80% of common washer problems and extends machine lifespan.

Manual Downloads

Troubleshooting Manuals

Basic Troubleshooting

Common issues and quick fixes

Advanced Diagnostics

Detailed error code analysis

Maintenance Guide

Preventive maintenance procedures

Parts Catalog

Replacement parts and numbers

Model Specific Guides

Front Load Series

All front load washer models

Top Load Series

All top load washer models

Smart ThinQ Models

Wi-Fi enabled washers

Steam Care Models

Washers with steam function

Support: For additional assistance, contact LG Customer Service at 1-800-243-0000 or visit LG Support Website