| Error Code | Failure Description |
| E1 | Room Temp Sensor error |
| E2 | Coil Temp Sensor error |
| E3 | ODU Coil temp Sensor error |
| E5 | Fan Motor Error |
| E6 | Zero Crossing Error |
| HF | Defrost message due to ODU coil temperature in heat mode |
| dF | Defrosting message for IDU coil |
| HP | High pressure error in heat mode |
