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International Comfort Products NDC7125BKA2 Defrost Sensor Board
The defrost sensor board controls if and when to commence the defrost sequence in order to get rid of the frost that collects on the outdoor unit. It is influenced by a sensor which is near the condenser somewhere, in order to make the decision on when to initiate the defrosting cycle.
Warnings of an inadequate AC defrost sensor board
- Defrost mode will not initiate despite that there is a large amount frost on the outdoor unit
- The system may not run for the fact of lack of airflow through the outdoor unit
- Your main control board could display an error number produced when the defrost control board fails to receive a signal
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