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Carrier 58DLX04510012 Defrost Sensor Board
The defrost control board determines when to initiate the defrosting phase if necessary, to continue normal heating and cooling operations. The defrost sensor board looks to a temperature sensor located near the condenser to make the decision on when to begin.
What signals that my defrost board is failing?
- The defrost feature refuses to initiate despite the fact that there is quite a bit frost on the external unit
- Air conditioning may stop functioning at all because of the safety features installed
- The primary control board may throw a specific error code produced when the defrost control board fails to receive a signal
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