26
Installation and Maintenance
Service Manual
Start
Check If the power supply is normal
Power supply is abnormal
yes
yes
yes
no
no
no
Check if the outdoor induction is broken
noitcudniehtecalpeRnekorbsinoitcudniehT
Replace the outdoor
mainboard
Malfunction is eliminated
End
Turn on the unit after the
power supply resumes to
normal situation