Error Code |
Description |
Solution |
E1 |
High pressure protection |
Check the refrigerant level and ensure proper ventilation; clean any obstructions in the condenser. |
E2 |
Indoor unit coil sensor error |
Inspect the indoor coil sensor; replace it if it’s defective. |
E3 |
Outdoor unit malfunction |
Check the outdoor unit for issues such as fan failure or compressor malfunction. |
E4 |
Outdoor unit coil sensor error |
Test the outdoor unit’s coil sensor and replace it if necessary. |
E5 |
Communication error between indoor and outdoor units |
Inspect the communication wiring between the units; repair or replace damaged wires. |
E6 |
Compressor overload protection |
Check the compressor for overheating or overloading; ensure proper airflow and ventilation. |
F1 |
Indoor temperature sensor error |
Check the indoor temperature sensor for faults and replace it if needed. |
F2 |
Outdoor temperature sensor error |
Inspect the outdoor temperature sensor and replace it if necessary. |
H1 |
Defrost mode |
This is a normal function; the system is defrosting. Wait for the mode to complete. |
P1 |
Low voltage protection |
Check the power supply; ensure stable voltage. Consider using a voltage stabilizer. |