A928_O
Locked Out - See History Faults
This code typically points to
- Permanent lockout wrapper for prior history faults
Next checks to confirm
- Read history faults at UODC / Control Center and correct root cause
Escalation
Permanent lockout
Reset behavior
Exit active-protection lockout by removing power to both indoor and outdoor units for 1 minute after correcting fault cause.
Urgent
Fix now