When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission.
Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network
Lennox 90UGF Series Defrost Sensor Board
The defrost control board controls when to launch the defrost cycle which actually helps to continue normal heating and cooling operations. The defrost board depends on a specific sensor which is near the condenser somewhere, in order to determine when to begin.
Signs of an ailing outdoor defrost sensor board
- The AC may not operate due to the safety issue that the frost poses
- The control board could signify an error signal when a defrost board fails to initialize
- The defrost feature never runs despite the fact that there is a lot of frost on the external unit
This site contains affiliate links for which I may be compensated
If you decide on picking up or ordering a replacement defrost sensor board for your Lennox 90UGF Series do your best and double check the correct model as well as make a visual comparison in order to be sure the right defrost sensor board is the one being purchased. You do not have to replace the part all by yourself. Look for a professional in your community to replace the part.
Feel free to download your manual for help.
This site contains affiliate links for which I may be compensated
