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International Comfort Products NDN5125BKA1 Defrost Sensor Board
The defrost sensor board instructs the outdoor unit to begin the defrosting phase in order to rid your unit of frost that can build up. The defrost sensor board depends on a defrost sensor that can be found near the condenser, in order to decide when to initiate the defrosting cycle.
Major indications the AC defrost sensor board will need to be replaced
- Unit defrost session has not run for quite some time despite the fact that there is a lot of frost in the way
- The whole system may not run for the fact of the frost blocking the flow of air
- Your main control board could throw a type of error code if the defrost control board fails
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