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Error Code
The CH4 error code refers to a coil temperature sensor malfunction. This sensor helps regulate the cooling and heating process, and any failure can lead to improper performance.
The coil temperature sensor may be malfunctioning.
Loose or damaged wiring can prevent the sensor from working properly.
Dirt or debris buildup on the sensor can interfere with its readings.
Clean the sensor to ensure it’s free from debris.
Ensure all wiring to the sensor is intact and secure.
If the sensor is faulty, it may need to be replaced by a technician.
