the Z axis is only travels down with both up and down toggles. it was sporadically doing this and now has completely stopped moving up. New to this and appreciate the help. Just built the CNC, everything else seems to be working
See docs:blackbox:faq-identify-motor-coils [OpenBuilds Documentation] - perfectly matches the symptoms of a miswired (or only 3 of the 4 wires making contact) motor