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International Comfort Products H9MPD080J16C1 Defrost Sensor Board
The defrost sensor control board controls if and when to commence the defrosting phase which aids to remove frost build-up that may accumulate. The control board relies on a defrost sensor which is near the condenser somewhere, in order to verify when the defrost cycle should begin.
Main clues your outdoor defrost sensor board should need replacing
- Defrosting never runs even when there is a large quantity of frost on the outdoor unit
- The system will not run for the fact of the safety features installed
- The main control board might give out an error signal referring to a failing defrost control board
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