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International Comfort Products H9MPV050F12A1 Defrost Sensor Board
The defrost sensor control board determines when or if to start the defrost cycle in order to continue normal heating and cooling operations. It looks to a defrost sensor located near the condenser to make the decision on when the defrost cycle should begin.
Important clues of an unhealthy outdoor defrost sensor board
- The control board might issue a particular error code produced by a bad defrost control board
- The defrost feature does not begin even when there is a large quantity of frost built up
- Most systems will end up not running for the fact of the safety features installed
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