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International Comfort Products PGAD24B1K4 Defrost Sensor Board
The defrost sensor board will begin the defrost sequence in order to remove frost build-up that may accumulate. It depends on a temperature sensor located somewhere by the condenser to determine when the defrost cycle should begin.
What red flags are there that my AC defrost sensor board is about to stop working?
- The HVAC system control board could signify an error of some type referring to a bad defrost board
- The HVAC system could cease to function due to the fact of lack of airflow through the outdoor unit
- Defrosting will not initiate especially when there is a rather large amount of frost built up
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