Oh dear, this morning I’m fine that either moving it cured the problem (unlikely), or I was tired and lost track of what was going on. Which seems more likely. Addendum OK, several different issues with the X. When zeroing the Z axis is activated at least sometimes. Once it thinks it is homed in that case it won't move at all. It reports having been moved but the carriage doesn't budge. I do hby rachelr - Prusa i3 and variants
I believe I've followed the instructions. I carefully did the wiring having had some negative experiences. At this point all but one thing is working. The one thing is maddening though. For Marlin I'm using the latest stable off of Github. I've made what seemed like appropriate changes to match the reprapguru i3 I have. What isn't working is that the X control in the manual controls in repetierby rachelr - Prusa i3 and variants