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Error Code
The E3 error code indicates a refrigerant-related issue in your Hisense air conditioning unit, typically caused by low refrigerant levels or a refrigerant leak.
Insufficient refrigerant can cause the system to malfunction.
Leaks can lead to a drop in refrigerant levels, triggering this error.
Obstructions in the refrigerant lines can affect the refrigerant flow.
Have a technician inspect and top up the refrigerant if it’s low.
Look for signs of refrigerant leaks and have them repaired.
Ensure that there are no obstructions in the refrigerant lines or system components.
