Anyone still here? I'm having a similar problem, but my motors only turn one direction. It's not like one of those that turn one direction when you press + or - directions, mine only works one way. For example, the x motor only moves to the right when you press X+ but it doesn't move at all when you press X-. I know my pins are correct and my ports because sometimes X- will move but X+ won't move. Same goes with Y and Z.