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Whirlpool ATR0953CPP0 Defrost Sensor Board
The defrost sensor control board determines when or if to start an important defrosting cycle in order to continue normal heating and cooling operations. The board is influenced by a specific sensor that can be found near the condenser, in order to make the decision on when to initiate the defrosting cycle.
Major symptoms your outdoor defrost sensor board will need to be replaced
- Self defrost sequence does not run despite the fact that there is quite a bit frost in the way
- The system may cease to operate because of frost blocking the airflow outside
- The HVAC system control board may throw an error code if the defrost control board fails
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