| E0 | EEPROM error |
| E1 | Indoor / outdoor units communication protection |
| E2 | Zero-crossing signal error |
| E3 | Indoor fan speed out of controlIndoor fan speed out of control |
| E5 | Outdoor unit temp. sensor or connector of temp. sensor is defective |
| E6 | Open or short circuit of room or evaporator temperature |
| E7 | Outdoor fan speed out of control |
| P0 | IBM malfunction or IGBT over-strong current protection |
| P1 | Over voltage or too under voltage protection |
| P2 | Temperature protection of compressor top |
| P4 | Compressor position protection |
| P5 | Inverter module protection |
