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International Comfort Products FBF075B12A1 Defrost Sensor Board
The defrost control board controls when to launch the defrost cycle if necessary, to continue normal heating and cooling operations. The defrost board relies on a defrost sensor which is near the condenser somewhere, in order to determine when to begin.
Symptoms your outdoor defrost sensor board is in need of replacing
- The defrost feature never initiates even though there is excessive frost on the external unit
- The primary control board may show an error number when encountering a problem
- The whole system may cease to function due to the safety features installed
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