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Whirlpool ATR0952SPP0 Defrost Sensor Board
The defrost sensor board controls if and when to commence an important defrosting cycle which aids to rid your unit of frost that can build up. The board is influenced by a temperature sensor which is near the condenser somewhere, in order to make the decision on when to initiate the defrosting cycle.
What red flags are there that my defrost sensor board is crapping out?
- Your HVAC system will end up not running for the fact of frost blocking the airflow outside
- The main board may show an error of some type if the defrost control board fails
- Defrost session will not initiate even though there is a lot of frost on the external unit
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