A1 INDOOR PCB ERROR
A3 DRAIN PUMP ABNORMAL
A5 ANTIFREEZE (COOLING)/HEAT EXCHANGER OVERHEAT (HEATING)
A6 INDOOR FAN MOTOR ABNORMAL
AH ELECTRICAL AIR CLEANER ABNORMAL
C4 INDOOR HEAT EXCHANGER (1) THERMISTOR SHORT/OPEN
C5 INDOOR HEAT EXCHANGER (2) TI-IERMISTOR SHORT/OPEN
C7 LOUVER LIMIT SWITCH ERROR
C9 INDOOR ROOM THERMISTOR SHORT/OPEN
E1 OUTDOOR PCB ERROR
E3 HIGH PRESSURE PROTECTION
E4 LOW PRESSURE PROTECTION
E5 COMPRESSOR MOTOR LOCK/COMPRESSOR OVERLOADED
E6 COMPRESSOR START-UP ERROR
E7 OUTDOOR DC FAN MOTOR LOCK
E8 AC INPUT OVER CURRENT
EA 4 WAY VALVE ERROR
F3 DISCHARGE PIPE OVERHEAT
F6 HEAT EXCHANGER OVERHEAT
HO CONIPRESSOR SENSOR SYSTEM ERROR
H3 HIGH PRESSURE SWITCH ERROR
H6 COMPRESSOR FEEDBACK DETECTION ERROR
H7 FAN MOTOR OVERLOADED/OVERCURRENT/SENSOR ABNORMAL
H8 AC CURRENT SENSOR ERROR
E01 Require manual reset (possible causes)
E02 Compressor 1 high temperature (overload)
E03 Compressor 2 high temperature (overload)
E04 Compressor 3 high temperature (overload)
E05 Compressor 4 high temperature (overload)
E06 Compressor 1 high pressure trip / contact open
E07 Compressor 2 high pressure trip / contact open
E08 Compressor 3 high pressure trip / contact open
E09 Compressor 4 high pressure trip / contact open
E10 Compressor 1 trip/low refrigerant/outdoor abnormal
E11 Compressor 2 nip/low refrigerant/outdoor abnormal
E12 Compressor 3 trip/low refrigerant/outdoor abnormal
E13 Compressor 4 trip/low refrigerant/outdoor abnormal
E14 Room sensor short E32 Compressor 1 de-ice
E15 Room sensor open E33 Compressor 2 de-ice
E16 Indoor coil sensor 1 short E34 Compressor 3 de-ice
E17 Indoor coil sensor 2 short E35 Compressor 4 de-ice
E18 Indoor coil sensor 3 short
E19 Indoor coil sensor 4 short
E20 Indoor coil sensor 1 open
E21 Indoor coil sensor 2 open
E22 Indoor coil sensor 3 open
E23 Indoor coil sensor 4 open
E24 Outdoor coil sensor 1 short
E25 Outdoor coil sensor 2 short
E26 Outdoor coil sensor 3 short
E27 Outdoor coil sensor 4 short
E28 Outdoor coil sensor 1 open
E29 Outdoor coil sensor 2 open
E30 Outdoor coil sensor 3 open