Sliding gates often fail to open or close because debris blocks the track, wheels slip off the rail
https://deangkyf806.quantlynix.com/posts/sliding-gate-motor-and-operator-repair-in-la-when-the-problem-is-power-sensors-or-the-control-board
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.