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Error Code
The E4 error code indicates a malfunction with the fan motor, which can lead to poor airflow and affect cooling or heating efficiency.
The fan motor may have failed or become damaged.
Dirt, debris, or blockages in the fan blades may prevent the fan from operating.
Check for debris or blockages obstructing the fan blades.
Inspect the motor for wear or failure.
Ensure that the wiring to the fan motor is intact and secure.
