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Carrier 48GS024060300 Defrost Sensor Board
The defrost control board controls if and when to commence an important defrosting cycle if necessary, to keep the outdoor unit free from frost build-up. The defrost board is relayed information from a sensor located somewhere by the condenser to agree when the defrost cycle should begin.
Red flags your Carrier defrost sensor board has to be replaced
- The main circuit board may show a particular error code produced by a bad defrost control board
- The whole system may end up not running for the simple fact of frost blocking the fins on the outside unit
- Defrosting never begins despite the fact that there is quite a bit frost on the unit
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