This table compiles the most common error codes for Voltas air conditioners. If your unit displays any of these codes, the table will help you identify the potential issue.
Error Codes and Potential Problems
| Error Code | Potential Problem |
|---|---|
| EE | Indoor unit failure. |
| E0 | Outdoor unit failure. |
| E1 | Indoor fan failure. |
| E2 | Zero-cross detection failure of the indoor fan. |
| E3 | Sensor and indoor coil failure. |
| E4 | Indoor ambient temperature sensor failure. |
| E5 | Fan operation failure. |
| E6 | Communication failure between indoor and outdoor units. |
| E8 | Outdoor communication failure. |
| F1 | Compressor startup failure. |
| F2 | Compressor failure (desynchronized). |
| F3 | IPM module failure. |
| F4 | Compressor cover failure. |
| F5 | Discharge temperature sensor failure. |
| F6 | Suction temperature sensor failure. |
| F7 | Outdoor coil temperature sensor failure. |
| F8 | Outdoor ambient temperature sensor failure. |
| F9 | Outdoor DC fan failure. |
| P1 | AC current protection failure in the outdoor unit. |
| P2 | Compressor phase current protection failure. |
| P3 | AC voltage protection failure in the outdoor unit. |
| P4 | DC voltage protection failure. |
| P5 | Over-temperature protection failure of the IPM. |
| P6 | Overheating protection of discharge temperature. |
| P7 | Anti-freeze protection failure of the indoor cooling coil. |
| L4 | Phase current sampling failure. |
| U1 | Overcurrent protection failure of the IPM. |
| U3 | Overcurrent protection failure of the compressor. |
| U4 | Overvoltage protection failure. |
| U5 | Undervoltage protection failure. |
| U7 | Overspeed protection failure. |
