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Lennox G61MPV-36C-090 Defrost Sensor Board
The defrost sensor control board controls when to launch the defrosting phase which may be needed in order to remove frost build-up that may accumulate. The defrost sensor board looks to a specific sensor located somewhere by the condenser to make the decision on when to begin.
Important clues of a barely functioning defrost sensor board
- Air conditioning may not run due to the amount of frost on the outdoor unit
- Self defrost sequence will not initiate even though there is a large amount of frost on the outdoor unit
- The main circuit board may show an error code referring to the failed defrost sequence
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