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Check Code List
Check Code
Check Content
0403
Serial transmission abnormality
0900
Trial operation
1102
Discharge temperature abnormality
1111
Low pressure saturation temperature sensor abnormality (TH2)
1112
Low pressure saturation
Liquid level sensing temperature sensor abnormality (TH4)
1113
temperature abnormality Liquid level sensing temperature sensor abnormality (TH3)
1301
Low pressure abnormality (OC)
1302
High pressure abnormality (OC)
1500
Overcharged refrigerant abnormality
1505
Suction
1559
Oil balance circuit abnormality
pressure abnormality
2500
Leakage (water) abnormality
2502
Drain pump abnormality
2503
Drain sensor abnormality
4103
Reverse
4106
Constant capacity unit power off abnormality
4108
Overcurrent protection (51C2)
phase abnormality
4115
Power supply sync signal abnormality
4116
Fan speed abnormality (motor abnormality)
4200
VDC sensor/circuit abnormality
4220
Bus voltage abnormality
4230
Radiator panel overheat protection
4240
4250
IPM
IAC sensor overcurrent abnormality
Alarm output / Bus voltage abnormality
4260
Cooling fan abnormality
Air inlet (TH21:IC)
5101
Discharge (TH1:OC)
Liquid pipe (TH22:IC)
5102
Low pressure saturation (TH2:OC)
5103
Gas pipe (TH23:IC)
Accumulater liquid level (LD1)
5104
Thermal sensor
Accumulater liquid level (LD2)
5105
abnormality
Liquid pipe (TH5)
5106
Ambient temperature (TH6)
5107
SC coil outlet (TH7)
5108
SC coil bypass outlet (TH8)
5109
CS circuit (TH9)
5110
Radiator panel (THHS)
5112
5113
5114
Compressor shell temperature (TH10)
5201
Pressure sensor abnormality (OC)
Heat exchanger (b) Gas pipe temperature (TH10a) abnormality
Distribution pipe temperature (TH10b) (Constant capacity unit) abnormality
Compressor shell temperature (TH10c)
5301
[6]
[1]
[11]
[13]
[ ]:Error detail No.
IAC sensor/circuit abnormality
IAC sensor miss-wiring abnormality
6600
Multiple address abnormality
6602
Transmission processor hardware abnormality
6603
Transmission circuit bus-busy abnormality
Over load protection
[2] Self-diagnosis and Countermeasures Depending on the CheckCode Displayed