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Author Topic: Mach 3 Randomly Freezing on N140G00G43Z0.8000H1  (Read 1319 times)

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Mach 3 Randomly Freezing on N140G00G43Z0.8000H1
« on: January 18, 2015, 01:35:23 PM »
I am new to CNC and to Mach 3.  Things have been going well except for one problem, and hoping to find some help here.  Mach 3 will randomly freeze at the start of running a project and it is always on this line: N140G00G43Z0.8000H1.
For example: I set up the machine, wood, etc. then load the G-code then hit start.  3 out of 4 times everything runs fine.  But every 3 jobs or so, the spindle starts and nothing else happens.  It is always on that one line of code.  I can run the same project 3 times in a row, but it will freeze on the 4th.  And nothing in the G-code has changed.  I can load a G-code one time and it will freeze.  Then I can shut down Mach, restart it, load the same G-code and it runs fine. 

Can anyone give a newbie some advice on this?  It is seriously slowing me down when I have to shut down and restart Mach every 3 or 4 runs... and time is money.