Gree GWH24QE-K3DNC2G - Page 67

64
Installation and Maintenance
Service Manual
(7) Malfunction of PFC Protection (HC)
Main check point:
Whether power supply is normal?
Malfunction diagnosis process:
Start
Check whether power supply is
normal
Is power abnormal?
Replace main board of
outdoor unit
End
Turn on the unit again
after the power is
resumed
Yes
No