Pfc (Power Factor Correction) Protection - Gree Neo GWH09MA-A3DNA3A Installation, Service & Troubleshooting

HC

PFC (Power Factor Correction) Protection

HC
PFC (Power Factor Correction) Protection
Status:
During cooling & dehumidifying, indoor unit
operates while other functions stop; During
heating operation, complete unit stops
Start Troubleshooting
Check wiring of the reactor
(L) and PFC capacitor
Are wires connected proper Are wires connected proper
with no short circuits? with no short circuits?
Remove the PFC Capacitor
and test resistance of the
Is the resistance
Disconnect the reactor wires & measure
the resistance between the two terminals
Replace the AP1
End Troubleshooting
Error Code Diagnostics
(Outdoor Unit)
Yes
two terminals.
Yes
about zero?
No
of the reactor
Is the reactor
Yes
damaged or
shorted?
control panel
1. Check for damage to the reactor and PFC
2. Refer to troubleshooting procedure below
No
Correct according
to circuit diagram.
Replace the
capacitor
Replace the reactor
capacitor of the outdoor unit
Is problem
corrected?
No
Is problem
corrected?
No
Is problem
corrected?
No
Yes
Yes
Yes
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