How do I fix error code tE4 on a LG dryers?

1. undefined: Enter diagnostic test mode. 2. undefined: tE4 only appears in test mode. 3. undefined: Turn power off and discharge voltage. 4. undefined: Measure resistance between steam generator heater terminals 1 and 2; expect 14.3Ω ±5%. 5. undefined: If resistance is out of range (open or shorted), replace the steam generator assembly. 6. undefined: If measured resistance is correct but tE4 persists, also replace DC pump assembly. 7. undefined: Check connector harness between generator and controller for loose pins.

LG Dryers2014–present

Error Code tE4

Steam generator thermistor open or shorted

Moderate

Address soon - your appliance may not work properly

Also displayed as: tE4

How to Fix

1
Enter diagnostic test mode.
2
tE4 only appears in test mode.
3
Turn power off and discharge voltage.
4
Measure resistance between steam generator heater terminals 1 and 2; expect 14.3Ω ±5%.
5
If resistance is out of range (open or shorted), replace the steam generator assembly.
6
If measured resistance is correct but tE4 persists, also replace DC pump assembly.
7
Check connector harness between generator and controller for loose pins.

This Error Applies To

LG DLEX5780VE Series Dryers (2014) (2014–present)

Service manual exact match: DLGX5781WEService manual exact match: DLEX5780VEService manual exact match: DLEX5780WEService manual exact match: DLGX5781VE

Related Error Codes

tE2

Thermistor of blower housing shorted (alternate display for thermistor fault)

Door switch abnormal

Water supply pump failure — pump AD value below 10 in test mode

tE1

Thermistor of blower housing open or shorted

Power supply wire connection wrong or loose (Black-White-Red wiring)

EEPROM operation abnormal

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