LG
Dryer
✅ Safe for Now
LG Dryer Error Code E1
LG Dryer error code E1: Exhaust thermistor open circuit.
Should I unplug it?
✅ No — safe for now
Safe to use briefly. A faulty sensor causes poor performance but rarely immediate danger.
Can I fix it myself?
DIY Possible
Part: Temperature sensor / thermistor
How much will it cost?
DIY: $10–$60 (sensor)
Technician: $80–$250
⏱ 20–45 min
What Does Error E1 Mean on Your LG Dryer?
LG Dryer error code E1: Exhaust thermistor open circuit.
What typically fails: Temperature sensor / thermistor
What You're Probably Seeing
- → Clothes not drying
- → Dryer runs but no heat
- → Long dry times
How to Fix It Yourself
- 1 Unplug the dryer for 60 seconds then plug back in — this resets the control board and clears many temporary faults
- 2 Test the sensor with a multimeter — check resistance against the spec in the service manual
- 3 Inspect the sensor's wiring harness for corrosion or loose connector
- 4 Replace the sensor if out of spec ($10–$50 part)
- 5 If the error persists after basic troubleshooting, contact a qualified appliance technician
🛠️ You'll need: Multimeter, Screwdriver set
· Time: 20–45 min
💡 Try this first: Unplug the appliance for 60 seconds, then plug back in. This resets the control board and clears many temporary faults.
Questions People Also Ask
What does LG Dryer error code E1 mean? ▼
Error code E1 on a LG Dryer means: Exhaust thermistor open circuit. The appliance detected this condition and has stopped or limited operation to prevent further damage.
How do I fix LG Dryer error code E1? ▼
First, unplug the dryer for 60 seconds to reset the control board. If error E1 returns, the root cause (exhaust thermistor open circuit) needs to be addressed — check connections, filters, and hoses before calling a technician.
Is it safe to use my LG Dryer with error code E1? ▼
It depends on the cause. Most E1 errors mean the appliance has stopped itself as a safety measure. Check the 'Should I unplug it?' section above for specific guidance on this error.