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International Comfort Products N8MPL050B12A1 Defrost Sensor Board
The defrost sensor control board will begin the defrost sequence which may be needed in order to remove frost build-up that may accumulate. The control board is relayed information from a temperature sensor located somewhere by the condenser to verify when to begin.
What are the signs that the AC defrost sensor board has to be replaced?
- AC and heating system could stop working for the simple fact of lack of airflow through the outdoor unit
- The main board may show an error code if the defrost control board fails
- Defrosting never begins even though there is quite a bit frost that has built up
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