Quote Originally Posted by MiniMadRyan View Post
Thanks AbuMaia, that's what I ended up doing earlier. My g28 z0 works beautifully but like you said, g29 is still out to lunch.

After a g29 my z height is reported as 4.52, and even after a z0, the head is a good 9mm too high...
Reset your printer... Connect to it with PronterFace. And give it a M114 command. What does it say? Does the Z_PROBE_OFFSET_FROM_EXTRUDER match what is declared in your Configuration.h file?