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International Comfort Products HXA242AKA1 Defrost Sensor Board
The defrost sensor board determines when to initiate the defrost cycle if necessary, to keep the outdoor unit free from frost build-up. The control board is relayed information from a sensor located near the condenser to ascertain when to initiate the defrosting cycle.
Subtle hints your defrost board needs replacing
- The system may cease to function at all because of too much frost
- Unit defrost session refuses to run even when there is a large quantity of frost on the outdoor unit
- The main board may signify an error code produced by a bad defrost control board
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