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International Comfort Products PA5536AKA1 Defrost Sensor Board
The defrost control board instructs the system to activate an important defrosting cycle which aids to remove frost build-up that may accumulate. The defrost board looks to a temperature sensor that can be found near the condenser, in order to make the decision on when the defrost cycle should begin.
Major indications of a poorly performing outdoor defrost sensor board
- Defrosting refuses to run especially when there is frost that has built up
- The primary control board could signify a specific error code when the defrost board fails
- The whole system may stop operating due to lack of airflow through the outdoor unit
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