Gree GWH09AGA-K6DA1A Service Manual page 72

Service Manual
Malfunction
No.
Name
Refrigerant
recovery
47
mode
Undefined
outdoor unit
48
error
Installation and Maintenance
Display Method of Indoor Unit
Indicator Display (during
blinking, ON 0.5s and OFF
Dual-8
0.5s)
Code
Operation Cool Heating
Display
Indicator Indicator Indicator
Fo
oE
A/C status
Cool: compressor and outdoor fan stops
operation, while indoor fan operates;
Heat: compressor, outdoor fan and indoor
fan stop operation.
Possible Causes
Refrigerant recovery. The
Serviceman operates it for
maintenance.
1. Outdoor ambient temperature
exceeds the operation range of unit
(eg: less than-20oC or more than
60oC for cooling; more than 30oC
for heating);
2. Failure startup of compressor?
3. Are wires of compressor not
connected tightly?
4. Is compressor damaged?
5. Is main board damaged?
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