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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)
1143 Lacked refrigerant abnormality
1301 Low pressure abnormality (OC)
1302 High pressure abnormality (OC)
1368 Liquid side pressure abnormality (BC)
1370 Intermediate pressure abnormality (BC)
1500 Overcharged refrigerant abnormality
1505 Suction pressure abnormality
2500 Leakage (water) abnormality
2502 Drain pump abnormality
2503 Drain sensor abnormality
4103 Reverse 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 Over loard protection
4250 IPM Alarm output / Bus voltage abnormality / Over Current Protection
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 Compressor shell temperature (TH10)
5201
Pressure sensor abnormality (OC)
Liquid side pressure sensor abnormality (BC)
5203 Intermediate side pressure sensor abnormality (BC)
5301 IAC sensor/circuit abnormality
6600 Multiple address abnormality
6602 Transmission processor hardware abnormality
6603 Transmission circuit bus-busy abnormality