tE4 Error Code
📋 What Does tE4 Mean?
Thermistor Error (Exhaust) — the exhaust air temperature sensor has failed.
🔍 Common Causes
- 1Exhaust duct blocked causing sensor to fail from excessive heat
- 2Thermistor wiring disconnected or damaged
- 3Thermistor probe burned out
- 4Thermal fuse in circuit blown
📞 When to Call a Pro
Thermistor and/or thermal fuse replacement.
🔧 DIY Fix Steps
- 1Clean lint filter and full exhaust duct immediately
- 2Unplug and inspect thermistor wiring connections
- 3Test thermistor resistance with multimeter (10k ohms expected at room temperature)
- 4Allow dryer to cool for 30 minutes before retesting
Frequently Asked Questions
What does tE4 mean on a Lg dryer?
Thermistor Error (Exhaust) — the exhaust air temperature sensor has failed.
Can I fix tE4 myself?
Yes, in many cases. Start with: clean lint filter and full exhaust duct immediately If that does not resolve it, thermistor and/or thermal fuse replacement.
How much does it cost to repair error tE4?
Estimated repair cost: $80–$250. This varies by region and technician.
Tools That Help With This Diagnosis
Basic troubleshooting tools grouped separately from the actual error-code explanation.
Multimeters
Useful for basic electrical checks when the repair path calls for it and the unit is safely isolated.
Driver sets
Useful when the first obstacle is simply reaching the part or hose involved.
Cleanup tools
Useful for drain and leak faults where standing water hides the problem.
Related Pages
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Troubleshooting guide hub
Open broader diagnosis, symptom, and first-step guides.
Diagnostic tools
See basic tools that help without mixing them into the code explanation itself.
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