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Lennox G40UH-48C-110 Defrost Sensor Board
The defrost sensor board commences an important defrosting cycle which may be necessary to continue normal heating and cooling operations. The defrost sensor board relies on a temperature sensor located somewhere by the condenser to determine when the defrost cycle should begin.
Signs your Lennox defrost sensor board will need to be replaced
- The primary control board may throw an error code if the defrost control board fails
- Your HVAC system will cease to operate due to the fact of the safety features installed
- Unit defrost session has not run for quite some time even though there is quite a bit frost that needs to be removed
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