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Lennox CBX32MV-024 Defrost Sensor Board
The defrost sensor control board determines when or if to start the defrosting phase which actually helps to keep your outdoor unit from plugging up. The defrost board relies on a defrost sensor that can be found near the condenser, in order to make the decision on when the defrost cycle should begin.
Major symptoms of a barely functioning outdoor defrost sensor board
- Defrost mode does not begin especially when there is frost on the external unit
- The primary control board may throw an error of some type produced when the defrost board is bad
- Your system could stop working due to frost blocking the airflow outside
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