LG Dryer Error Code tE3
Thermistor error — drying temperature sensor out of range
The thermistor (temperature sensor) reported a reading outside its valid range, so the control can't safely regulate heat. tE3 points specifically to the sensor circuit being open, shorted, or disconnected. The dryer stops to prevent over- or under-heating.
What Does Error Code tE3 Mean on a LG Dryer?
Thermistor error — drying temperature sensor out of range.
The thermistor (temperature sensor) reported a reading outside its valid range, so the control can't safely regulate heat. tE3 points specifically to the sensor circuit being open, shorted, or disconnected. The dryer stops to prevent over- or under-heating.
What Causes Error Code tE3?
Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:
- 1 Thermistor failure (open/short) 55% of cases
- 2 Thermistor connector loose 25% of cases
- 3 Wiring harness damaged 15% of cases
- 4 Control board sensor input fault 5% of cases
How to Fix LG Dryer Error Code tE3
- 1
Power cycle
Unplug for 5 minutes — a transient sensor glitch may clear.
- 2
Reseat the thermistor connector
Locate the thermistor on the blower housing and reseat its connector.
- 3
Test and replace the thermistor
Check resistance against spec (varies by model). Out-of-range = replace.
🔩 Multimeter 🔩 LG dryer thermistor ($15–$40)⚠️ Unplug before accessing the blower housing.
How to Reset Error Code tE3
Unplug 5 minutes and restart. If tE3 returns, reseat then test the thermistor.
Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.
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When to Call a Professional
If a new thermistor and clean wiring don't resolve tE3, the control board sensor input has failed.
Related Error Codes
Same Code on Other Brands
Error code tE3 appears on these other brands too. See every brand that shows tE3 →
Find Replacement Parts
Use these links to find the exact replacement parts for your LG Dryer:
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More LG Dryer Error Codes
Frequently Asked Questions
What does error code tE3 mean on a LG Dryer? +
How do I fix error code tE3 on my LG Dryer? +
How do I clear or reset error code tE3? +
Is error code tE3 serious? +
Sources & References
- • LG Support — Help Library — official manufacturer documentation
- • Our editorial & verification policy
Content verified against manufacturer service documentation. Last verified: June 14, 2026.