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Lennox G61MPV-36B-071 Defrost Sensor Board
The defrost control board will determine when to initiate the defrosting phase which actually helps to get rid of the frost that collects on the outdoor unit. The board looks to a sensor located near the condenser to make the decision on when the defrost cycle should begin.
Signals of a faulty outdoor defrost sensor board
- The AC may not operate for the simple fact of the amount of frost on the outdoor unit
- Defrosting never starts even though there is a large amount of frost built up
- The main circuit board might issue an error signal produced by too much frost
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