LG Dryer Error Codes | AppliancesCare

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📋 Error Code Index — LG Dryer

d80Restricted Airflow 80% d90Restricted Airflow 90% d95Restricted Airflow 95% E13Outlet Thermistor Fault E31Drive Motor Fault HSHigh Humidity Sensor Fault

d80

Restricted Airflow 80%

Dryer airflow is 80% restricted — lint screen or vent partially blocked.

High Priority

Possible Causes
Lint screen heavily clogged with buildup
Exhaust vent duct partially blocked
Exterior vent flap partially stuck closed
Diagnostic Steps
1Clean lint screen thoroughly
2Inspect full exhaust duct run for blockage
3Check exterior vent flap opens freely

d90

Restricted Airflow 90%

Dryer airflow is 90% restricted — severe vent blockage detected.

Urgent

Possible Causes
Exhaust vent duct severely blocked
Lint screen completely clogged
Vent duct crushed or kinked
Diagnostic Steps
1Stop dryer immediately — fire risk
2Clean lint screen and inspect full exhaust duct
3Replace any crushed or kinked duct sections

d95

Restricted Airflow 95%

Dryer airflow is 95% restricted — dryer should not be operated.

Urgent

Possible Causes
Exhaust vent duct completely blocked
Exterior vent sealed shut
Duct disconnected — exhausting into wall cavity
Diagnostic Steps
1Stop dryer immediately — do not operate
2Inspect and clear full exhaust path
3Verify exterior vent is clear and unobstructed

E13

Outlet Thermistor Fault

Exhaust air temperature thermistor open or out of expected range.

Medium Priority

Possible Causes
Thermistor failed open or shorted
Connector loose or corroded
Diagnostic Steps
1Inspect connector for corrosion
2Test thermistor resistance — should decrease as temperature rises
3Replace thermistor if reading is OL or near zero

E31

Drive Motor Fault

Drive motor not starting or stalling during operation.

High Priority

Possible Causes
Drive motor failed or seized
Drive belt broken or dislodged
Motor capacitor failed
Diagnostic Steps
1Check drive belt for breakage
2Test motor capacitor
3Test motor winding continuity — replace if open circuit

High Humidity Sensor Fault

Humidity sensor reading outside expected range during cycle.

Medium Priority

Possible Causes
Humidity sensor failed
Sensor connector loose or corroded
Sensor contaminated with detergent residue
Diagnostic Steps
1Inspect sensor and connector for corrosion or residue
2Clean sensor surface if contaminated
3Replace humidity sensor if reading out of range

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Important Notice: Error code information on this page is based on LG manufacturer service documentation. Dryer repair involves high-voltage components and hot surfaces. Always disconnect power before servicing. AppliancesCare Appliance Repair LLC provides this information for educational purposes only.