Hi all. I'm having this exact same issue with my Y axis homing to + and jamming against the opposite end to the endstop. I know that I need to change the value in the Marlin to - and from true to false on the homing code (from what I have read) but I haven't a clue on how to do it? I've tried downloading the marlin libary and arduino software but it doesn't open config tabs? With the homing in thby Jamesfarr83 - General Mendel Topics