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Tripp Lite SRXCOOL12K Defrost Sensor Board
The defrost sensor control board determines when to initiate the defrosting phase if necessary, to get rid of the frost that collects on the outdoor unit. It is relayed information from a specific sensor that can be found near the condenser, in order to ascertain when to initiate the defrosting cycle.
Clues of a weakening defrost sensor board
- Defrosting never starts even when there is a large quantity of frost in the way
- The control board may issue an error code referring to the failed defrost sequence
- The AC may cease to function for the simple fact of frost blocking the airflow outside
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