| Error code | Error / Protection |
| E0 | Protection of voltage too high / too low |
| E1 | Indoor room temp sensor error |
| E2 | Indoor coil temp sensor error |
| E3 | Outdoor coil temp sensor error |
| E5 | Protection when outdoor coil temp is over high |
| E6 | Protection of Evaparator freezing in cooling mode, or Over heat in heating mode. |
| E7 | Indoor motor error |
| E8 | Inverter moudule signal error |
| E9 | Inverter moudule error |
| Eb | Compressor discharged pipe sensor error. |
| Eb | Protection when the temp of compressor discharged pipe is over high |
| Error code | Error / Protection |
| E1 | Condenser Coil Sensor (outdoor sensor – red plug) |
| E2 | Evaporator Sensor Error (indoor sensor – white plug) |
| E3 | Evaporator Fan Motor failure PCB faulty or failure |
| E4 | Re-gas unit R410a – gas leak Compressor not starting up – capacitor faulty Compressor burnt out |
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