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International Comfort Products PGAA24D1K1 Defrost Sensor Board
The defrost sensor board is jobbed with determining when to begin the defrost cycle which assists to keep your outdoor unit from plugging up. The defrost board is relayed information from a defrost sensor located near the condenser to decide when to initiate the defrosting cycle.
What happens when my International Comfort Products defrost sensor board is about to go out?
- Unit defrost session never begins even though there is a large amount of frost on the unit
- The HVAC system control board may show an alphanumeric error code when a defrost board fails to initialize
- Air conditioning may cease to operate at all because of the frost blocking the flow of air
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