Yeah, this is one of those super common annoyances that makes you think the cleaner is dumb, but it’s really the ladder creating a perfect trap. Ladders mess with hose angle and flow, so the vacuum keeps steering itself right into the same dead spot and then doesn’t have enough pull to back out.
Before buying anything, a few things to try that fixed it for me. First, check hose length. If you’ve got extra slack, the cleaner tends to curl and wrap itself around the ladder legs. I pulled off one section so it just barely reached the far wall and it stopped bee-lining for the ladder every cycle. Second, look at flow. If your filter pressure is a little higher than normal, the cleaner might still move fine on the floor but won’t have enough power to escape once it wedges itself. A quick backwash or filter clean helped mine immediately.
Another sneaky one is traction. The ladder rails and the tile right around them can get slick with oils or fine dust, so the cleaner climbs, sticks, and just sits there. I scrubbed that area down and it started bouncing off the ladder instead of locking onto it. I didn’t buy a ladder guard or remove the ladder completely, just rotated it slightly and cleaned the basics. After that, it stopped parking itself there every run.
If you still get stuck after fixing hose length and flow, then a ladder guard can help. But most of the time it’s setup, not missing accessories. These things are way more sensitive to small changes than they should be.