ERR155.00
Indoor EEV motor fault / EEV MTR ERR
This code typically points to
- EEV motor fault detected for 8 consecutive times
- Faulty EEV motor / harness
Next checks to confirm
- Verify motor resistance against Service Facts
- Inspect EEV motor windings / harness
Escalation
Major — valve locked out
Reset behavior
Not separately stated.
Urgent
Fix now