HITACHI INVERTER AC ERROR CODE
Chandan Kumar •
| Error Code | Meaning / Problem |
|---|---|
| 01 | Indoor air temperature sensor fault |
| 02 | Indoor heat exchanger (pipe) sensor fault |
| 03 | Outdoor air temperature sensor fault |
| 04 | Outdoor heat exchanger sensor fault |
| 05 | Discharge pipe temperature sensor fault |
| 07 | Indoor–outdoor communication error |
| 09 | Indoor fan motor error |
| 11 | Outdoor fan motor error |
| 12 | Compressor overload / over-current protection |
| 13 | Inverter drive error |
| 14 | DC voltage abnormal |
| 17 | High pressure protection |
| 18 | Low pressure protection |
| 19 | Refrigerant shortage / gas leak |
| 20 | Compressor overheat |
| 25 | EEPROM / PCB memory error |
| 26 | Power supply voltage problem |
| 27 | IPM / inverter module fault |
| 28 | Compressor lock / position detection error |
| 29 | Outdoor unit PCB fault |
