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Carrier FE5A Defrost Sensor Board
The defrost sensor board controls when to launch the defrost sequence which assists to defrost your outdoor unit. The control board is influenced by a defrost sensor that can be found near the condenser, in order to verify when to initiate the defrosting cycle.
Major symptoms the defrost sensor board needs to be replaced
- The HVAC system control board could display a type of error code referring to a failing defrost control board
- The whole system may stop functioning due to the amount of frost on the outdoor unit
- The defrost feature refuses to initiate despite the fact that there is a lot of frost in the way
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