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International Comfort Products NTGM050EFA3 Defrost Sensor Board
The defrost control board initiates the defrost cycle which actually helps to remove frost build-up that may accumulate. The defrost sensor board is relayed information from a defrost sensor located somewhere by the condenser to ascertain when to initiate the defrosting cycle.
Signs the AC defrost sensor board is in need of replacing
- The HVAC system could not run due in part to the safety features installed
- Defrost mode has not run for quite some time even though there is a lot of frost on the outdoor unit
- The main circuit board might give out an error number referring to a bad defrost board
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