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International Comfort Products C9MPX080J16A2 Defrost Sensor Board
The defrost sensor control board will begin the defrost sequence which helps to rid your unit of frost that can build up. The defrost sensor board depends on a sensor located somewhere by the condenser to decide when to begin.
Main clues the defrost sensor board will eventually need to be replaced
- Your HVAC system will not run for the fact of the frost issue
- Self defrost sequence has not run for quite some time despite the fact that there is quite a bit frost on the unit
- The main circuit board may throw an error of some type referring to the failed defrost sequence
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