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0403
(Note1)
Serial transmission abnormality
0900
Test run (LC)
1102
Discharge temperature abnormality
1301
Low pressure abnormality (OC)
1302
High pressure abnormality (OC)
1500
Overcharged refrigerant abnormality
2500
Leakage (water) abnormality
2502
Drain pump abnormality
2503
2600
2601
Drain sensor abnormality
Water leakage (LC)
Water-supply cut (LC)
4103
4108
Reverse phase abnormality
Over-current protection ( [ P450-P650 model ] No.2 Comp)
4121
Harmonic control device abnormality
4115
Power supply sync signal abnormality
4116
Fan speed abnormality (motor abnormality) (IC, LC)
4220
4225
(Note1)
[108]
Bus Voltage drop abnormality (S/W detect)
[109]
[01]
[05]
Bus Voltage rise abnormality (S/W detect)
[110]
Bus Voltage abnormality (H/W detect)
[111]
Logic error
4230
4235
(Note1)
Heat sink overheat protection
4240
4245
(Note1)
Overload protection
4250
4255
[101]
IPM abnormality
[102]
ACCT overcurrent abnormality (H/W peak detect)
[103]
(Note1)
DCCT overcurrent abnormality (H/W peak detect)
[104]
IPM short/grounding abnormality
[105]
Load short abnormality
[106]
ACCT overcurrent abnormality (S/W detect peak current)
[107]
ACCT overcurrent abnormality (S/W detect effective current)
4260
4265
(Note1)
Cooling fan abnormality
[05]
[01]
5101
Air inlet (TH21:IC)
Open-air treatment inlet (TH4:LC)
Open-air treatment pipe (TH2:LC)
Open-air treatment gas pipe (TH3:LC)
Discharge (TH11, TH12:OC)
5102
Liquid pipe (TH22:IC)
5103
Gas pipe (TH23:IC)
Open-air temperature (TH24)
Open-air treatment open air (TH11)
5105
5104
Liquid pipe (TH5)
5106
Ambient temperature (TH6)
5107
SC coil outlet (TH7)
5108
SC coil bypass outlet (TH8)
5110
(Note1)
Heat sink (THHS)
5201
High pressure sensor abnormality (OC)
Check code
Check content
Thermal sensor
abnormality
[ ] : Error detail No.
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Troubleshooting
[1] Check Code List
1. Check Code List