DLEX3900W d90 error
If your LG DLEX3900W is showing error code d90, here's what it means for this specific model: Exhaust duct is about 90% restricted — clean the lint filter and vent now. 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 d90 on the DLEX3900W: unplug or switch off the dryer for 5 minutes, then restore power.
- Exhaust duct is about 90% restricted — clean the lint filter and vent now.
- 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 d90 mean on a LG DLEX3900W?
Exhaust duct is about 90% restricted — clean the lint filter and vent now.
How do I reset d90 on a DLEX3900W?
Unplug the dryer or switch it off at the breaker for 5 minutes, then restore power and restart. If d90 returns on the DLEX3900W, the underlying fault is still present.
What part do I need for DLEX3900W d90?
Try the reset and troubleshooting steps first. d90 on the DLEX3900W is not always a failed part.
Is d90 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.