Geeetech

I recently bought the A20M. From The LCD screen I tested the axes. However, the Z axis will go up but not back down. Even homing it does not bring the z axis back down. Any ideas as to why the Z axis will not go back down?

Hi,maybe you need change the fireware,the direction of the axis is wrong.you can refer to this :http://www.geeetech.com/forum/viewtopic ... 17&t=17037

Thanks, where I can I download the Marlin firmware, is there one that already has the A20M set up in it?

Nevermind, I found the firmware and tried inverting it. This worked to bring it back down, but it still will not go back up. Is there another setting to change?

Once I unplugged the 3D touch sensor it all worked. Not sure why having it plugged in caused that problem to occur