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International Comfort Products CAC242AKA1 Defrost Sensor Board
The defrost sensor board controls when to launch the defrost sequence in order to keep your outdoor unit from plugging up. It relies on a temperature sensor which is near the condenser somewhere, in order to make the decision on when to initiate the defrosting cycle.
Major indications the AC defrost sensor board will need replacing
- Your HVAC system will cease to function due in part to the amount of frost on the outdoor unit
- The main board might issue an alphanumeric error code if the defrost control board fails
- Self defrost sequence will not initiate especially when there is frost on the outdoor unit
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