Sliding gates often fail to open or close because debris blocks the track, wheels slip off the rail

https://riverinrn109.quillnesty.com/posts/repair-or-replace-your-home-s-automatic-gate-signs-of-wear-friction-and-structural-damage

Sliding gates often fail to open or close because debris blocks the track, wheels slip off the rail, tracks shift out of line, or the operator needs a reset after an obstruction is cleared.