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Carrier 38EYA036 Defrost Sensor Board
The defrost sensor control board controls when to launch the defrost cycle which may be needed in order to continue normal heating and cooling operations. The defrost sensor board looks to a specific sensor which is near the condenser somewhere, in order to make the decision on when the defrost cycle should begin.
Symptoms the AC defrost sensor board is not going to last much longer
- The system will stop functioning at all because of too much frost
- Unit defrost session will not initiate even when there is a large quantity of frost on the external unit
- The primary control board might give out an error number when the defrost control board refuses to initialize properly
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