DLEX3900W tE1 error
If your LG DLEX3900W is showing error code tE1, here's what it means for this specific model: Thermistor error — the dryer cannot read incoming air temperature. Follow the steps below to reset the code, troubleshoot, and find compatible replacement parts.
Fix steps
- Confirm your model is DLEX3900W (check the model tag).
- Reset tE1 on the DLEX3900W: unplug or switch off the dryer for 5 minutes, then restore power.
- Thermistor error — the dryer cannot read incoming air temperature.
- Follow the part recommendations below that are compatible with your model.
- Run a test cycle after repair to confirm the code is cleared.
Repair guidance is for informational purposes only. We do not guarantee that any fix will resolve your issue, and you assume all risk when following these steps. Terms & disclaimer
FAQ
What does tE1 mean on a LG DLEX3900W?
Thermistor error — the dryer cannot read incoming air temperature.
How do I reset tE1 on a DLEX3900W?
Unplug the dryer or switch it off at the breaker for 5 minutes, then restore power and restart. If tE1 returns on the DLEX3900W, the underlying fault is still present.
What part do I need for DLEX3900W tE1?
Try the reset and troubleshooting steps first. tE1 on the DLEX3900W is not always a failed part.
Is tE1 on the DLEX3900W easy to fix?
Many owners fix this themselves with basic tools. Start with the reset and steps above, then check compatible parts below.