CDJ2000NXS Issue (Loop Mode not working same with Hot Cues)

Hi all, just got these used CDJ2000nxs. On one of them I can't set new hot cue points and the loop doesn't work. I don't think tis a hardware issue. Part of me thinks its a setting issue..

see video below. thanks!

https://streamable.com/g6jc3s
https://streamable.com/jwxmkk