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International Comfort Products NAC030GKA1 Defrost Sensor Board
The defrost sensor board controls when to launch an important defrosting cycle which assists to keep your outdoor unit from plugging up. It is influenced by a specific sensor located near the condenser to agree when to begin.
What signals that my defrost board is on its last leg?
- Self defrost sequence never runs especially when there is a rather large amount of frost in the way
- The AC may not run for the simple fact of the frost blocking the flow of air
- Your main control board could throw an error code produced by a failing defrost board
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