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International Comfort Products H9MPT125L20A1 Defrost Sensor Board
The defrost sensor control board initiates the defrost cycle which helps to keep the outdoor unit free from frost build-up. It relies on a sensor which is near the condenser somewhere, in order to make the decision on when to initiate the defrosting cycle.
Signs the defrost sensor board is failing
- Your HVAC system will not operate due to the fact of the amount of frost on the outdoor unit
- The defrost feature refuses to run even when there is a large quantity of frost in the way
- The main control board may throw a type of error code referring to the failed defrost sequence
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