Everwell MKTH1223E-16 - 3.2.19 Troubleshooting F5: PFC Protection

Air Conditioner Service Manual
48
3.2.19 F5---PFC Protection
PFC Overcurrent protection
F5 Code
Display F5 by
random?
Check the power supply,
is it abnormal? (this is
normal protection)
Display F5 frequently
Still F5?
End
Replace ODU PCB
Yes
No
No
Switch off the unit for 3
minutes and re-switch on
Yes
Still F5?
No
Yes