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International Comfort Products T9MPD080J16A2 Defrost Sensor Board
The defrost sensor board initiates the defrost sequence which helps to keep the outdoor unit free from frost build-up. It looks to a temperature sensor located somewhere by the condenser to determine when the defrost cycle should begin.
Red flags the defrost sensor board will eventually need to be replaced
- The defrost feature will not initiate even when there is a large quantity of frost in the way
- The HVAC system control board could signify an error of some type when encountering a problem
- Your system could not operate due to the fact of the frost issue
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