Snapmaker a250 is making a horrible noise

my Snapmaker a250 has started making this really bad sound, I can’t locate it but it appears to be coming from the Y axis?

please advise ASAP

Please follow the video to fix well the strip first. Then please have another check. Thank you https://drive.google.com/file/d/10bpCBjuJk-1pElTXTNHAKDnMDaIsbZh3/view