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Lennox G40UH-36C-110 Defrost Sensor Board
The defrost control board will determine when to initiate an important defrosting cycle in order to get rid of the frost that collects on the outdoor unit. The defrost board is relayed information from a temperature sensor that can be found near the condenser, in order to decide when to begin.
Cues of a defective Lennox defrost sensor board
- The control board could throw an error of some type when the defrost board fails
- Air conditioning may stop operating at all because of the frost blocking the flow of air
- Unit defrost session never starts despite the fact that there is a lot of frost on the unit
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