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Error Code
The P3 error code indicates a malfunction with the temperature sensor in the indoor unit. The sensor monitors room temperature to help the system regulate cooling and heating.
The sensor may be malfunctioning or providing incorrect readings.
Loose or damaged wiring can cause the sensor to fail.
Dirt or dust buildup on the sensor may interfere with its functionality.
Clean the sensor to ensure it’s not obstructed by dirt or debris.
Inspect the wiring to the sensor to ensure there are no loose connections.
A technician can test the sensor to determine if it needs replacement
