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Payne PH2PNB024000AA Defrost Sensor Board
The defrost sensor control board initiates an important defrosting cycle which actually helps to continue normal heating and cooling operations. The board depends on a sensor which is near the condenser somewhere, in order to agree when the defrost cycle should begin.
Symptoms your outdoor defrost sensor board will not live much longer
- Air conditioning may cease to function due to the fact that there is too much frost
- The HVAC system control board might issue an error signal referring to a failing defrost control board
- Self defrost sequence never runs even though there is a lot of frost on the outdoor unit
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