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Fujitsu AOU36RML Defrost Sensor Board
The defrost control board controls when to launch the defrost cycle which helps to keep your outdoor unit from plugging up. The defrost sensor board depends on a temperature sensor located somewhere by the condenser to verify when to begin.
Hints your outdoor defrost sensor board needs to be replaced
- The HVAC system control board may issue an error of some type produced when the defrost control board fails to receive a signal
- Defrost mode will not initiate even when there is a large quantity of frost that needs to be removed
- The AC may not work due to the fact of the frost issue
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