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International Comfort Products NTG3050FBA1 Defrost Sensor Board
The defrost control board controls if and when to commence the defrost cycle if necessary, to defrost your outdoor unit. It is influenced by a defrost sensor which is near the condenser somewhere, in order to make the decision on when to begin.
Simple signals the defrost sensor board will die soon
- The AC may cease to function due to frost blocking the airflow outside
- The HVAC system control board might give out an alphanumeric error code referring to a failing defrost control board
- The defrost feature has not run for a while despite the fact that there is quite a bit frost on the outdoor unit
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