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International Comfort Products T8MPV050B12A1 Defrost Sensor Board
The defrost sensor control board determines when to initiate the defrost cycle which helps to continue normal heating and cooling operations. It relies on a defrost sensor located in the outdoor unit to make the decision on when to begin.
Symptoms of a weakening outdoor defrost sensor board
- The defrost sequence does not begin despite that there is a large amount frost that needs to be removed
- The system may cease to operate due to the fact of frost blocking the airflow outside
- The main circuit board may throw a particular error code produced when the defrost control board fails to receive a signal
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