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Friedrich BR1224W3A Defrost Sensor Board
The defrost control board controls when to launch the defrost sequence which helps to keep your outdoor unit from plugging up. The defrost board depends on a defrost sensor which is near the condenser somewhere, in order to determine when the defrost cycle should begin.
General indicators that your your Friedrich defrost sensor board should be replaced
- Your main control board might give out an error of some type referring to a bad defrost board
- The system may stop working because of frost blocking the fins on the outside unit
- Unit defrost session has not run for a while despite the fact that there is a lot of frost that needs to be removed
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