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Error Code
The E2 error code indicates a high-pressure protection issue in your Actron Air unit. This typically occurs when the refrigerant pressure exceeds safe operating levels, which can lead to system damage.
Dirt or debris buildup can cause the system to overheat and trigger high-pressure protection.
Low refrigerant can cause abnormal pressure and lead to the E2 error.
A malfunctioning pressure sensor may send incorrect readings.
Ensure that the coils and filters are free from blockages.
Ensure that refrigerant levels are correct, and top up if necessary.
A technician can check the pressure sensor for malfunctions.
