| E1 |
Indoor / Outdoor Unit Communication Error |
Check the wiring connection between the indoor and outdoor units. |
| E2 |
Indoor Coil Temperature Sensor Error |
Inspect the coil temperature sensor for proper connection or replace it if faulty. |
| E3 |
Indoor Fan Speed Malfunction |
Clean the air filters and check the fan motor for any blockages or defects. |
| E4 |
Indoor Room Temperature Sensor Error |
Ensure the room temperature sensor is securely connected and functioning properly. |
| E5 |
Overcurrent Protection |
Examine the electrical components and compressor for any signs of faults. |
| E6 |
Outdoor Unit Malfunction |
Inspect the outdoor unit components, including the compressor and fan motor. |
| E7 |
Outdoor Coil Temperature Sensor Error |
Check the outdoor coil temperature sensor for any connection issues or damage. |
| F0 |
Low Refrigerant Error |
Check for refrigerant leaks and recharge the refrigerant if necessary. |
| F1 |
High Discharge Temperature Error |
Ensure proper airflow and check refrigerant levels; clean any blockages in the system. |
| F2 |
High Indoor Coil Temperature |
Clean or replace air filters and ensure good airflow. |
| H1 |
Defrost Mode |
No action required; the air conditioner is defrosting to remove ice buildup. |
| P0 |
Inverter Module Protection |
Check the inverter module for overheating and ensure proper ventilation. |
| P1 |
Voltage Protection |
Check the power supply for voltage irregularities. |
| P2 |
Compressor Overload Protection |
Inspect the compressor for issues and ensure the refrigerant levels are correct. |
| P3 |
Low Outdoor Temperature Lockout |
Wait for the outdoor temperature to rise or switch to a different mode. |
| P4 |
Compressor Drive Error |
Check the inverter and compressor motor for any faults. |
