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Carrier 58CTA09010014 Defrost Sensor Board
The defrost sensor control board controls when to launch the defrosting phase which actually helps to defrost your outdoor unit. The defrost board looks to a specific sensor located near the condenser to make the decision on when to begin.
What are the signs that the AC defrost sensor board is on its last leg?
- Your main control board might issue an error number produced by a bad defrost control board
- Most systems will not run due in part to the frost issue
- The defrost sequence has not run for quite some time even though there is a large amount of frost on the outdoor unit
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