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International Comfort Products TXA460AKA1 Defrost Sensor Board
The defrost control board determines when to initiate the defrosting phase which may be needed in order to rid your unit of frost that can build up. The board relies on a sensor located in the outdoor unit to decide when to begin.
Red flags the AC defrost sensor board will not live much longer
- Your system could not run for the fact of frost blocking the airflow outside
- The control board may throw an alphanumeric error code when encountering a problem
- The defrost feature does not run even though there is quite a bit frost on the outdoor unit
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