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International Comfort Products T9MPD080J16C2 Defrost Sensor Board
The defrost sensor board determines when or if to start an important defrosting cycle if necessary, to rid your unit of frost that can build up. The control board depends on a defrost sensor located somewhere by the condenser to decide when the defrost cycle should begin.
Key indicators that my defrost sensor board has a need to be replaced?
- The main control board may issue an alphanumeric error code referring to the failed defrost sequence
- The AC may stop operating at all because of frost blocking the fins on the outside unit
- Unit defrost session will not kick in despite the fact that there is quite a bit frost on the unit
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