Haier Portable Air Conditioner
Haier Portable Air Conditioner E1 Error Code
What it means
The portable air conditioner detected a tube-temperature or coil-pipe sensor failure.
Try this first
- Turn the air conditioner off.
- Disconnect electrical power.
- Do not attempt internal sensor or refrigeration-system repairs.
If the error keeps returning
Haier identifies E1 as a tube or coil temperature sensor failure.
Official source
Troubleshooting information verified against manufacturer support documentation.
View manufacturer support page →