Haier · Air Conditioning
The system's built-in sensor has detected a malfunction related to refrigerant leak detection. This could mean the sensor itself is faulty or there's an issue with the detection system.
Click steps to track your progress.
Ensure the unit has been operating normally without known refrigerant leaks.
Restart the air conditioner.
If this error appears, it indicates a need for professional inspection of the refrigerant leak detection system.