Gree VIR09HP115V1A Installation Manual page 28

DIAGNOSTIC CODES
Malfunction Name
Indoor Ambient Temperature
Sensor Malfunction
Indoor Coil Temperature
Sensor Malfunction
Outdoor Ambient Temperature
Sensor Malfunction
Outdoor Coil Temperature
Sensor Malfunction
Outdoor Discharge Temperature
Sensor Malfunction
High DC Bus Voltage Protection
Low DC Bus Voltage Protection
Compressor Phase Current
Protection
Capacitor Charging Malfunction
Module Temperature Sensor
Malfunction
Module Temperature Protection
Compressor Overload Protection
Outdoor Unit Indicators
Indoor Unit
Display
Yellow
F1
F2
F3
F4
F5
PH 13 flashes
and
1 sec Off
PL 12 flashes
and
1 sec Off
P5
PU
P7
P8
H3 8 flashes
and
1 sec Off
Possible Causes
Red
1) Loose or bad connection between sensor and control board.
2) Indoor ambient temperature sensor damaged.
3) Control board malfunction.
1) Loose or bad connection between sensor and control board.
2) Indoor coil temperature sensor damaged.
3) Control board malfunction.
1) Loose or bad connection between sensor and control board.
6 flashes
2) Outdoor ambient temperature sensor damaged.
and
3) Control board malfunction.
1 sec Off
1) Loose or bad connection between sensor and control board.
5 flashes
2) Outdoor coil temperature sensor damaged.
and
3) Control board malfunction.
1 sec Off
1) Loose or bad connection between sensor and control board.
7 flashes
2) Discharge temperature sensor damaged.
and
3) Control board malfunction.
1 sec Off
1) Supply voltage on L1 and N is above 265Vac.
2) Capacitor on control board malfunction.
3) Outdoor control board malfunction.
1) Supply voltage on L1 and N is below 150Vac.
2) Capacitor on control board malfunction.
3) Outdoor control board malfunction.
1) IPM module malfunction.
2) Outdoor control board malfunction
3) Compressor malfunction.
Capacitor malfunction
Outdoor control board malfunction
1) Lack of thermal grease on IPM module.
2) Heat sink (radiator) not tightly mounted.
3) Control board malfunction.
1) Wiring terminal OVC-COMP is loose.
2) Refer to the malfunction analysis in Service Manual.
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