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Error Code
The U1 error code indicates a high-pressure sensor malfunction. This sensor is responsible for monitoring refrigerant pressure, and a malfunction can affect the cooling and heating performance of the system.
The high-pressure sensor may be malfunctioning and sending incorrect readings.
Insufficient refrigerant can cause abnormal pressure levels.
Blockages in the coils or filters can cause excessive pressure in the system.
Have a technician check the pressure sensor for any malfunctions.
Ensure that the refrigerant levels are adequate.
Make sure the coils and filters are clean and free from
