ERR155.01
Indoor electronic expansion valve motor fault / EEV MTR ERR
This code typically points to
- EEV electric motor current indicates open or short
- Faulty EEV motor / wiring harness
Next checks to confirm
- Check EEV motor winding/current signature
- Inspect motor wiring harness
Escalation
User Display
Reset behavior
Clears when EEV motor open/short fault corrected.
Service Soon
Schedule repair