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International Comfort Products NAC042GKA1 Defrost Sensor Board
The defrost sensor control board determines when or if to start the defrost sequence which actually helps to keep your outdoor unit from plugging up. The defrost board is influenced by a defrost sensor located in the outdoor unit to decide when the defrost cycle should begin.
What are the indications that my International Comfort Products defrost sensor board is on its last leg?
- Defrost session never starts especially when there is a rather large amount of frost built up
- The main board might issue an error number if the defrost control board fails
- Air conditioning may stop running due to frost blocking the airflow outside
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