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Friedrich MW30C3F Defrost Sensor Board
The defrost sensor control board will determine when to initiate an important defrosting cycle which may be necessary to keep your outdoor unit from plugging up. It relies on a sensor that can be found near the condenser, in order to agree when to begin.
Major warnings of a deteriorating defrost board
- Defrost session never runs even though there is quite a bit frost built up
- Your system could stop running due to the fact of too much frost
- The control board may signify an error signal if the defrost board goes out
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