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International Comfort Products N8MPN075B12B1 Defrost Sensor Board
The defrost sensor board determines when or if to start the defrost cycle which actually helps to rid your unit of frost that can build up. The board looks to a sensor which is near the condenser somewhere, in order to agree when the defrost cycle should begin.
Major indications of an unhealthy defrost sensor board
- The HVAC system control board may signify a type of error code referring to a failing defrost control board
- Defrost session will not initiate even though there is quite a bit frost built up
- The system may stop functioning for the simple fact of too much frost
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