reverse

Story goes like this: Took my ebike out for the first real time after reconstructing it. Everything seemed fine untill about 2km away when my motor started stuttering. I pulled into a plaza, turned it off and on again. Now my ebike is stuck in REVERSE! Checking the connections, the Hall sensor...

We all know the problem with proprietary systems, so lets try and reverse engineer them! My Urban plus battery is showing it's age. A few things should be explained first: On the urban plus, the bike can be started with the battery, OR the Kobi system through the button or the smartphone...