u/2010_Silver_Surfer

I have had my X450 for a couple months and it appears to only be spinning the blades in a single direction. On all the blades one side shows dirt from cutting and the other side is still sharp and new.

Several people have posted here that it should alternate the direction the blades spin and use both sides. Is there a setting that needs checked for that to work? Is it something not available on the X450 model?