Carrier 40GVM Series - PFC Protection Malfunction

35
TROUBLESHOOTING CONTINUED
(2) PFC protection malfunction
Main checking points:
●
●
Is the power supply correct?;
Is the reactor broken or mis-wired? ;
Flow chart:
Start
Verify that the power supply is
correct
Power supply is not correct l
yes
yes
yes
no
no
no
Check if the outdoor reactor is broken
or mis-wired
The reactor is broken
or mis-wired
Replace the reactor
or correct the wiring
Replace the outdoor
mainboard
Malfunction is eliminated
End
Turn the system on after
the power supply error is
cleared