My pet Roomba (530) started to move a few inches and then stopped. The right wheel was stuck in the top position, presumably from rubbing against the bodywork as there wasn't as much play on the right side as there was on the left. I've tried cleaning it with silicone spray, making sure the bolts are tight and everything fits properly, then bought a new wheel as a last resort. I got a replacement battery beforehand as the original battery wouldn't charge and after a bit of soldering replaced…