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Carrier 24ACA460A0030010 Defrost Sensor Board
The defrost sensor control board commences the defrosting phase which actually helps to keep the outdoor unit free from frost build-up. The board is relayed information from a sensor located in the outdoor unit to decide when to begin.
What are the clues to watch out for to know my AC defrost sensor board really needs to be replaced?
- The main circuit board may show an error code if the defrost board goes out
- The whole system may end up not running at all because of the safety features installed
- The defrost sequence never kicks in despite the fact that there is quite a bit frost on the outdoor unit
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