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International Comfort Products NAC230AKA1 Defrost Sensor Board
The defrost sensor board initiates an important defrosting cycle which helps to remove frost build-up that may accumulate. The control board relies on a temperature sensor located somewhere by the condenser to make the decision on when to begin.
Some warnings the defrost sensor board is in dire straights
- Self defrost sequence refuses to run even when there is a large quantity of frost on the unit
- The system may stop working due to the fact that there is too much frost
- The main control board could signify an error number when a defrost board fails to initialize
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