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International Comfort Products NTC7050BFA2 Defrost Sensor Board
The defrost control board determines when or if to start the defrosting phase which may be necessary to defrost your outdoor unit. It depends on a specific sensor that can be found near the condenser, in order to agree when the defrost cycle should begin.
Subtle cues of a barely functioning defrost board
- Defrost session never starts even though there is a lot of frost on the unit
- The AC may cease to function because of the fact that there is too much frost
- The control board may throw an error of some type produced by a bad defrost control board
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