Gree GWH09AB-A3DNA1B, Service Manual, Page: 48 / 68

Troubleshooting
The indoor fan motor is burned or breaks
or has the heat protector malfunction.
Replace the fan motor or the defective part.
The built-in heat protector of the motor
breaks frequently because the motor is
abnormal.
Replace the fan motor
Wrong connection
Make the correction connection based on the
circuit drawing.
The fan does not
run when it is set
to supply air.
The fan capacitor has open circuit or is
damaged.
Replace the fan capacitor of the same type and
same specification.
The outdoor fan motor is damaged.
Replace the fan motor
Wrong connection
Make the correct connection based on the
circuit drawing.
In the cooling and
heating mode, the
compressor runs,
but the outdoor
fan does not run.
The outdoor fan capacitor is damaged.
Replace the fan capacitor
r o s s e r p m o c e h t e c a l p e R r o s s e r p m o c f o n o i t c n u f l a M
Breakage of running capacitor of
compressor
Replace the capacitor
The voltage is too low or too high. Manostat is recommended.
Wrong wire connection
Connect the circuit diagram correctly
When cooling or
heating, outdoor
fan runs,compre-
ssor doesn't run.
The protector itself has malfunction.
Use the multimeter to check whether the contact of
the compressor is on when it is not overheated. If it
is not on, then replace the protector
The refrigerant is not enough or is too
much.
Adjust the volume of the refrigerant
The capillary is blocked and the temp-
erature rises.
Replace the capillary
The compressor does not run smoothly or
is stuck. The air discharge valve is
damaged
Replace the compressor
The compressor is
too hot and leads
to the action of
the protector.
The protector itself has malfunction.
Replace the protector
The torque of the swing motor is not
enough
wrong connection
The swing fan does
not run.
The controller is damaged(IC2003 is
damaged, the swing relay can not close,
etc )
First, check whether the connection is wrong.
If no, replace the parts
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