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Empire Comfort Systems GWT-50-2 Defrost Sensor Board
The defrost sensor control board instructs the outdoor unit to begin the defrost sequence which assists to remove frost build-up that may accumulate. The board is influenced by a sensor that can be found near the condenser, in order to determine when to initiate the defrosting cycle.
What signals that my AC defrost sensor board really needs to be replaced?
- Most systems will not run due in part to frost blocking the airflow outside
- The HVAC system control board might issue a specific error code if the defrost board fails
- Self defrost sequence refuses to run especially when there is a rather large amount of frost that has built up
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