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Nordyne M2RC-080A Defrost Sensor Board
The defrost sensor board controls when to launch the defrost sequence in order to remove frost build-up that may accumulate. The control board is influenced by a sensor that can be found near the condenser, in order to make the decision on when to initiate the defrosting cycle.
Key symptoms of a failing outdoor defrost sensor board
- The AC may cease to operate because of the safety issue that the frost poses
- The main circuit board may throw an error of some type produced when the defrost control board fails to receive a signal
- Defrost session will not kick in despite the fact that there is quite a bit frost that has built up
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