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International Comfort Products HAC048AKA1 Defrost Sensor Board
The defrost sensor control board controls when to launch the defrost sequence in order to rid your unit of frost that can build up. It relies on a temperature sensor located near the condenser to determine when to initiate the defrosting cycle.
Some clues of a failing International Comfort Products defrost sensor board
- The HVAC system control board could display a type of error code produced by a bad defrost control board
- The system may not work due in part to frost blocking the fins on the outside unit
- Defrost mode never initiates especially when there is frost on the unit
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