9 Point Calibration Stopped Working Properly

<p><p>I’m having a weird problem where suddenly my calibration isn’t working. When I go to do the manual 9 point calibration the print head goes to the first point, but the Z axis never comes down. It just sits at the top and I can only move it .1 mm down at a time, the way you would if it had come down to near the bed. </p><p>Anybody run into this, or have a fix? I tried the CPU utility and reinstalling the ROM. No change. </p><p>I’ve been running gCode files from Simplify3d on it and it was working fine. Then it stopped responding once the gCode was uploaded and wiping it hasn’t seemed to make a difference. </p><p> </p></p>