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Carrier 58MSA08012116 Defrost Sensor Board
The defrost control board commences the defrosting phase which may be needed in order to get rid of the frost that collects on the outdoor unit. It is relayed information from a defrost sensor which is near the condenser somewhere, in order to verify when to initiate the defrosting cycle.
Symptoms your outdoor defrost sensor board needs a replacement ASAP
- The main circuit board may signify a type of error code referring to a bad defrost board
- The system will stop functioning due in part to frost blocking the fins on the outside unit
- The defrost sequence refuses to run especially when there is frost on the unit
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