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International Comfort Products HXA248AKA1 Defrost Sensor Board
The defrost control board instructs the outdoor unit to begin the defrost cycle which assists to keep the outdoor unit free from frost build-up. The defrost board depends on a sensor located somewhere by the condenser to ascertain when the defrost cycle should begin.
Main clues your outdoor defrost sensor board will soon need to be replaced
- The system may not run due in part to too much frost
- Self defrost sequence will not kick in even though there is a large amount of frost that needs to be removed
- The HVAC system control board may issue a particular error code produced by too much frost
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