L40s ultra AE

I purchased this L40s ultra ae,  and after running for 5 minutes it says the sidebrush is jammed.  It is completely clean, but i took apart down to the gears and cleaned anyway.  After reassembly it still wont work.  What an absolute piece of junk.

Hi, sorry for such a bad experience, Could you please provide us your SN and order number? We will help you take care of it. You can also contact our official customer service: support.na@dreame.tech