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Edgestar AP10002BL Defrost Sensor Board
The defrost sensor control board instructs the system to activate the defrost cycle in order to keep your outdoor unit from plugging up. It relies on a specific sensor which is near the condenser somewhere, in order to verify when the defrost cycle should begin.
Major indications the AC defrost sensor board is going out
- Most systems will not operate due in part to lack of airflow through the outdoor unit
- The control board could display an error of some type referring to a bad defrost board
- Defrost mode never runs even though there is excessive frost that has built up
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