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Carrier 38YDB048 Defrost Sensor Board
The defrost sensor board is jobbed with determining when to begin an important defrosting cycle if necessary, to remove frost build-up that may accumulate. The defrost sensor board is relayed information from a defrost sensor located somewhere by the condenser to make the decision on when to initiate the defrosting cycle.
Chief elements of a weakening Carrier defrost sensor board
- Air conditioning may not work due in part to too much frost
- Unit defrost session does not begin even when there is a large quantity of frost on the outdoor unit
- The HVAC system control board may show a type of error code referring to a failing defrost control board
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