62
Installation and Maintenance
Service Manual
Desynchronizing happens
during operation
Outdoor unit is working?
Unit radiation is good?
End
Replace the compressor
Eliminate the malfunction
Replace the outdoor
mainboard
Replace the outdoor unit
Replace the fan capacitor
Refrigerant amount is too much?
Input voltage is normal?
connected well
Check if fan
terminal is
Improve radiation
situation of the unit
(such as cleaning
the heat exchanger,
improve ventilation
Turn on the unit
after the power
supply voltage
resumes normal
Charge refrigerant
according to the
service manual
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
9. Maintenance
