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Carrier KFCEH1101C10 Defrost Sensor Board
The defrost sensor board instructs the system to activate the defrosting phase which aids to rid your unit of frost that can build up. The board relies on a defrost sensor located somewhere by the condenser to make the decision on when the defrost cycle should begin.
Major warnings of an ineffective defrost board
- The HVAC system control board could display an alphanumeric error code referring to the failed defrost sequence
- AC and heating system could stop running at all because of the fact that there is too much frost
- Self defrost sequence does not run even when there is a large quantity of frost on the unit
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