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International Comfort Products TCA224AKA1 Defrost Sensor Board
The defrost sensor control board determines when or if to start the defrost cycle if necessary, to continue normal heating and cooling operations. The board is relayed information from a defrost sensor located near the condenser to verify when the defrost cycle should begin.
Easy warnings to watch for in a failing defrost board
- The system will stop running due to the fact of lack of airflow through the outdoor unit
- Unit defrost session will not kick in even though there is a lot of frost in the way
- The main control board may signify an error of some type when encountering a problem
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