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International Comfort Products FBF100F14A3 Defrost Sensor Board
The defrost sensor control board determines when or if to start the defrost cycle which actually helps to keep your outdoor unit from plugging up. It looks to a defrost sensor located near the condenser to decide when to begin.
Signs your defrost board is in need of replacing
- The defrost sequence never starts even though there is quite a bit frost on the external unit
- The main circuit board may signify an error number if the defrost board goes out
- The AC may stop functioning due to the fact of the safety features installed
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