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Friedrich MW09C1H Defrost Sensor Board
The defrost sensor control board instructs the outdoor unit to begin the defrost sequence which aids to remove frost build-up that may accumulate. The control board relies on a temperature sensor located near the condenser to verify when to initiate the defrosting cycle.
Simple warnings that your AC defrost sensor board is failing?
- The main control board may signify an error signal if the defrost board fails
- Unit defrost session never starts despite that there is a large amount frost that needs to be removed
- The AC may end up not running due to the amount of frost on the outdoor unit
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