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International Comfort Products NDN6100KFA1 Defrost Sensor Board
The defrost sensor control board controls if and when to commence the defrost cycle which assists to keep the outdoor unit free from frost build-up. The control board is influenced by a defrost sensor which is near the condenser somewhere, in order to verify when the defrost cycle should begin.
Clues the AC defrost sensor board has to be replaced
- Unit defrost session never runs even though there is quite a bit frost on the external unit
- AC and heating system could stop working at all because of the safety features installed
- The control board could throw a particular error code if the defrost board goes out
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