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

https://home-hub.s3.us.cloud-object-storage.appdomain.cloud/keeping-a-residential-gate-reliable-year-round.html

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.