Power off at the isolator for 10 mins then switch back on and try again. If error code persists, then it is most likely the controller in the outdoor unit.
Excessive voltage of DC voltage on PFC circuit in inverter PCB is detected, or the excessive current in the circuit is detected.
> Permanent stop.
[Diagnosis Point]
Controller PCB defective (Refer to after mentioned "PFC circuit diagnosis")
1,918 views
Usually answered in minutes!
×