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Error Code
The E5 error code on your Samsung air conditioning unit indicates a high-pressure protection issue. This error occurs when the system detects that the refrigerant pressure is higher than normal, which could cause system damage.
Blockages in the coils can cause pressure to build up.
Ironically, low refrigerant can disrupt the pressure regulation.
The sensors may be malfunctioning and sending false readings.
Remove any dirt or blockages on the coils to allow proper airflow.
Have a professional inspect and top up the refrigerant.
A technician can check the pressure sensors for malfunctions.
