Side brush don’t work

If unable to play, please click here to open in a new window

My X50 ultra extends the side dust brush while cleaning but it doesn't rotate and always remains raised... what could have happened?https://forum.dreametech.com/forum.php?mod=attachment&aid=NzI4fDQ0Nzg1YWE1fDE3NDUwMjQ1Mzl8MHw%3D

man i cannot see the video please can u share it again?

There is a link under the video (“If unable to play, please click here to open in a new window“). Did you try to do this?

In any case i have re-uploaded the file. Let me know. Thank’s