Gree GWH18YD-K6DNA2A Service Manual page 58

Service Manual
Malfunction indicator of outdoor unit
check points:
I
Installation and Maintenance
Fault with outdoor unit)
too much
Power on the unit
Is stop time of the compressor longer
than 3 minutes?
Y
Are the wires for the
compressor(UVW) connected correctly? Is
connection sequence right?
Y
Is the charge volume of refrigerant
too much?
Y
Charge refrigerant according
to the service manual
Does the unit start
up normally?
N
Replace the control panel AP1
If the fault is
eliminated?
N
Replace the
compressor
End
ly
N
Connect the wires between control
N
panel AP1 and compressor as
per the wiring diagram
N
Restart it up after 3 minutes
Does the unit start
up normally?
Y
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