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International Comfort Products NUGM100EHB1 Defrost Sensor Board
The defrost sensor board will begin the defrost sequence which assists to defrost your outdoor unit. The defrost board depends on a sensor located somewhere by the condenser to make the decision on when to initiate the defrosting cycle.
Major warnings of an ineffective defrost sensor board
- The HVAC system control board might give out an alphanumeric error code when a defrost board fails to initialize
- Defrosting never starts despite the fact that there is a lot of frost on the outdoor unit
- The AC may not work for the simple fact of frost blocking the airflow outside
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