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International Comfort Products NAC018GKA1 Defrost Sensor Board
The defrost control board will begin the defrost sequence which aids to remove frost build-up that may accumulate. The board relies on a defrost sensor located near the condenser to verify when to begin.
Major indications your International Comfort Products defrost sensor board will not live much longer
- Defrosting never kicks in even when there is a large quantity of frost that makes the unit run like crap
- The system may stop functioning due to the frost issue
- The primary control board may issue an error code if the defrost control board fails
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