Gree GWH18MC-K3DNA2G Service Manual page 55

Desynchronizing malfunction
occurs during operation process
Whether the outdoor fan can
operate normally?
Whether the radiation for the
unit is in good condition?
Whether the input voltage is
normal?
Whether refrigerant is
superfluous?
Replace main board of outdoor
Is malfunction eliminated?
Replace compressor
52
Yes
Yes
Yes
No
unit
No
End
Check whether
No
the fan terminal is
connected well
Improve the radiation
circumstances for the
No
unit (such as clean heat
exchanger, improve
ventilation, etc)
No Turn on the unit again
after the power voltage
is resumed
Charge refrigerant
Yes
according to service
manual
Yes
Service Manual
Replace fan capacitor
Replace outdoor fan
Installation and Maintenance