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International Comfort Products N8MPN100F20A1 Defrost Sensor Board
The defrost control board is jobbed with determining when to begin the defrost sequence which helps to get rid of the frost that collects on the outdoor unit. The defrost board depends on a defrost sensor located somewhere by the condenser to decide when the defrost cycle should begin.
What are the clues to watch out for to know my outdoor defrost sensor board is failing?
- The system may stop working at all because of frost blocking the airflow outside
- The main board may throw a particular error code referring to the failed defrost sequence
- Unit defrost session refuses to initiate even though there is a lot of frost in the way
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