24
Technical Information
2. PFC protection malfunction, capacity charging malfunction
Main checking points:
• If the wiring of the induction is connected well and if the induction is broken;
• If the mainboard is broken;
Flow chart: For 18k
Power supply is
abnormal?
Start
Check if power supply is
normal
End
Replace the outdoor
mainboard
Turn on the unit after power
supply resumes normal
YES
NO