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International Comfort Products NDN5125BKC2 Defrost Sensor Board
The defrost control board determines when or if to start the defrost sequence which actually helps to continue normal heating and cooling operations. The board relies on a specific sensor located near the condenser to determine when to initiate the defrosting cycle.
What are some indications that my defrost sensor board is in need of a replacement?
- Your main control board may throw an error of some type if the defrost control board fails
- The defrost sequence does not run even though there is quite a bit frost on the outdoor unit
- Your HVAC system will stop working at all because of frost blocking the airflow outside
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