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Topics - EckartH

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FAQs / G1 Y... commands sometimes ignored
« on: May 15, 2017, 06:41:58 AM »
I have a new setup on Windows XP with typical parallel controller board on a mill drill which I converted to CNC.  After installation and setup it worked fine. I made a few parts with hand coded G code.  Then for no reason the system would sometimes not drive the Y motor for G1 Y... commands.  In fact it would not do G0 Y..., G2, G3 (Y direction) or jog in the Y direction either.  Actually the Y position in the Mach3 display changes correctly but the Y motor does nothing.  If I then move the X axis by G command or jog, the Y movements work again.  Later for no apparent reason the Y movement would not work again.  I do not get inaccurate movement - the movement either works correctly or not at all.  Is this a known problem and is there a fix to solve it?
I have tried the usual fixes like restarting Mach3, rebooting the PC and reinstalling Mach3 without a saved config and reconfiguring from scratch.

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