Haier Dehumidifier
Haier Dehumidifier E3 Error Code
What it means
The dehumidifier detected a humidity-sensor problem.
Try this first
- Turn the dehumidifier off.
- Disconnect power briefly.
- Restore power once.
If the error keeps returning
If the condition returns after troubleshooting, qualified service may be required.
Official source
Troubleshooting information verified against manufacturer support documentation.
View manufacturer support page →