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Desa B165A Defrost Sensor Board
The defrost sensor board will begin the defrost sequence which assists to keep your outdoor unit from plugging up. The defrost sensor board looks to a specific sensor located somewhere by the condenser to agree when the defrost cycle should begin.
Major warnings of a faulty AC defrost sensor board
- Air conditioning may not run for the simple fact of way too much frost build-up
- Defrosting never starts even though there is quite a bit frost that has built up
- The primary control board could display an error number referring to a bad defrost board
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