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Whirlpool ATR0955SPP0 Defrost Sensor Board
The defrost sensor control board instructs the system to activate an important defrosting cycle which aids to continue normal heating and cooling operations. It is influenced by a defrost sensor located somewhere by the condenser to verify when to initiate the defrosting cycle.
Signs of a weakening outdoor defrost sensor board
- Your HVAC system will end up not running at all because of the amount of frost on the outdoor unit
- The HVAC system control board could display a type of error code when a defrost board fails to initialize
- The defrost sequence does not run even though there is a lot of frost on the outdoor unit
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