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International Comfort Products N8MPN100F14B1 Defrost Sensor Board
The defrost control board will begin the defrost sequence if necessary, to continue normal heating and cooling operations. The defrost sensor board looks to a temperature sensor located in the outdoor unit to verify when to initiate the defrosting cycle.
Major warnings of a barely functioning defrost board
- Your main control board could throw a type of error code produced by too much frost
- The defrost feature will not kick in even though there is quite a bit frost that has built up
- Most systems will cease to function at all because of way too much frost build-up
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