How do I fix error code tE1 on a LG dryers?

1. undefined: Check connector CN (thermistor — orange 2-wire connector) on Main PCB (see PCB layout page 54); ensure it is fully seated. 2. undefined: Measure thermistor resistance: disconnect connector and measure terminal-to-terminal. Normal value is 10 kΩ ± 5% at 25°C. If out of range, replace drum outlet thermistor (R code: B139). 3. undefined: If connector and thermistor are good, inspect wire harness for opens or damage; replace harness (R code: A190) if defective. 4. undefined: If all above check out, replace Main PCB (R code: A160).

LG Dryers2020–present

Error Code tE1

Drum outlet thermistor open or short circuit

Moderate

Address soon - your appliance may not work properly

Also displayed as: tE1

How to Fix

1
Check connector CN (thermistor — orange 2-wire connector) on Main PCB (see PCB layout page 54); ensure it is fully seated.
2
Measure thermistor resistance: disconnect connector and measure terminal-to-terminal. Normal value is 10 kΩ ± 5% at 25°C. If out of range, replace drum outlet thermistor (R code: B139).
3
If connector and thermistor are good, inspect wire harness for opens or damage; replace harness (R code: A190) if defective.
4
If all above check out, replace Main PCB (R code: A160).

This Error Applies To

LG DLHC1455 Series Dryers (2020) (2020–present)

Service manual exact match: DLHC1455VService manual exact match: DLHC1455W

Related Error Codes

LE1

Restricted motor — motor fails to start after restart attempts

Wi-Fi module communication error — Wi-Fi module single product fault

Wi-Fi product not registered (normal behavior until registered) or Wi-Fi module error

tE3

Compressor discharge pipe thermistor open or short circuit

Compressor error — inverter compressor fault after restart attempts

Power cord incorrectly connected or power supply error (not 240V — may be 120V only)

Drum outlet thermistor open or short circuit

Door open detected during operation — machine restarts then stops

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