Gree GWH18QD-K3DNA1G - Malfunction of PFC Protection (HC)

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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