Geeetech

Sometimes my z axis motors spin in opposite directions other times they do not. I checked the wiring and it is correct. I am using ramps 1.4 and arduino on the GEEETech prusa i3. It is almost as if when they receive resistance they reverse directions. Please help

ok, i'll keep you posted

I have a geeetech prusa i3 blck with arduino mega and ramps. My LCD controller is unresponsive. It shows normal text, it reacts to temp on both extruder and bed, it gives correct ete. It just does not respond to the dial or push button.

Ive checked the firmare and this is how it is defined:
// The ...