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Whirlpool ATR1252BPP0 Defrost Sensor Board
The defrost sensor board will determine when to initiate the defrost cycle which aids to remove frost build-up that may accumulate. It depends on a specific sensor located near the condenser to agree when to begin.
Signs your defrost board needs to be replaced
- The primary control board could display an error number when a defrost board fails to initialize
- Unit defrost session will not kick in even though there is excessive frost built up
- The whole system may cease to function for the simple fact of lack of airflow through the outdoor unit
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