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Lennox 13HPD-036 Defrost Sensor Board
The defrost control board commences an important defrosting cycle which may be necessary to rid your unit of frost that can build up. It relies on a specific sensor that can be found near the condenser, in order to determine when the defrost cycle should begin.
Signals your outdoor defrost sensor board is in need of replacing
- Unit defrost session never initiates especially when there is frost on the outdoor unit
- The main circuit board may throw a type of error code when a defrost board fails to initialize
- The system will stop operating due in part to lack of airflow through the outdoor unit
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