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International Comfort Products N8MPL125J20B1 Defrost Sensor Board
The defrost control board determines when or if to start the defrost cycle which helps to keep the outdoor unit free from frost build-up. The defrost board relies on a sensor located somewhere by the condenser to make the decision on when to begin.
Hints of a deteriorating defrost board
- Air conditioning may stop operating because of the safety features installed
- Unit defrost session has not run for quite some time despite the fact that there is a lot of frost that needs to be removed
- The control board may signify an error of some type referring to the failed defrost sequence
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