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Carrier 48XZ042060300 Defrost Sensor Board
The defrost sensor control board is jobbed with determining when to begin the defrost sequence which assists to defrost your outdoor unit. The control board is relayed information from a defrost sensor located somewhere by the condenser to decide when to initiate the defrosting cycle.
Elements of an ineffective defrost board
- The HVAC system control board may show a particular error code when encountering a problem
- Your system could not operate due to the fact of the fact that there is too much frost
- Defrost mode has not run for quite some time especially when there is frost on the external unit
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