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Carrier 58MXA100F14116 Defrost Sensor Board
The defrost sensor control board instructs the outdoor unit to begin the defrosting phase which may be needed in order to remove frost build-up that may accumulate. The control board is relayed information from a specific sensor which is near the condenser somewhere, in order to verify when the defrost cycle should begin.
Warnings poorly running defrost sensor board
- Self defrost sequence does not begin especially when there is frost on the unit
- The primary control board may throw an error of some type if the defrost board fails
- Your system could end up not running for the simple fact of lack of airflow through the outdoor unit
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