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Carrier 50TFQ007 Defrost Sensor Board
The defrost sensor control board will determine when to initiate the defrosting phase which actually helps to defrost your outdoor unit. It relies on a sensor located near the condenser to determine when to begin.
Main clues the defrost sensor board needs a replacement ASAP
- Defrost mode never runs even though there is a lot of frost on the external unit
- The system will not work for the fact of the safety issue that the frost poses
- The main board could signify a type of error code referring to a bad defrost board
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