All Error Codes
High Medium Low
| Code | Description | Severity | Quick Action |
|---|---|---|---|
| 1 | Indoor/Outdoor Mismatch | Medium | Call tech support |
| 2 | Power Supply Phase Error | Medium | Call tech support |
| 3 | Communication Error | Medium | Check wiring |
| 4 | Inverter Error | Medium | Call tech support |
| 5 | Outdoor Thermistor Open/Short | Medium | Call tech support |
| 6 | Indoor Freeze/Overheat | Medium | Call tech support |
| 7 | Outdoor Freeze/Overheat | Medium | Call tech support |
| E6 | Indoor/Outdoor Communication Error | Medium | Check wiring |
| E9 | Indoor/Outdoor Communication Fault | Medium | Check wiring |
| P1 | Intake Sensor Error | Medium | Call tech support |
| P2 | Indoor Pipe Thermistor Error | Medium | Call tech support |
| P4 | Drain Sensor Error | Medium | Call tech support |
| P5 | Drain Pump Error | Medium | Call tech support |
| P6 | Coil Freeze/Overheat Protection | Medium | Call tech support |
| P8 | Pipe Temp Error | Medium | Call tech support |
| U1 | High Pressure Trip | Medium | Call tech support |
| U2 | Low Voltage/Overcurrent | Medium | Call tech support |
| U3 | Discharge Thermistor Short/Open | Medium | Call tech support |
| U4 | Outdoor Thermistor Short/Open | Medium | Call tech support |
| U5 | Abnormal Condenser Temp | Medium | Call tech support |