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Carrier GT-S Defrost Sensor Board
The defrost sensor board commences the defrost sequence in order to remove frost build-up that may accumulate. The board is relayed information from a sensor located in the outdoor unit to make the decision on when to begin.
What warnings should I watch out for to know if my AC defrost sensor board is crapping out?
- The AC may cease to function due to the fact of the amount of frost on the outdoor unit
- Self defrost sequence never initiates even though there is excessive frost on the outdoor unit
- The primary control board might give out a type of error code if the defrost control board fails
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