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International Comfort Products PAK036K000A Defrost Sensor Board
The defrost sensor board will determine when to initiate the defrost cycle in order to rid your unit of frost that can build up. The control board is influenced by a temperature sensor which is near the condenser somewhere, in order to determine when to initiate the defrosting cycle.
Signs of a failing defrost board
- The HVAC system could not work at all because of the amount of frost on the outdoor unit
- The defrost feature does not begin even when there is a large quantity of frost that has built up
- The main board may signify a specific error code when the defrost control board refuses to initialize properly
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