Machsupport Forum
Mach Discussion => General Mach Discussion => Topic started by: Poppey_au on March 12, 2017, 08:59:30 AM
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Hi
I was cutting with my cnc router and Mach3 for about one houre than it stopped besause a limit witch triggered, non of the switches was triggerd. I belive the program is app 3000 lines and I had just over 1000 lines done.
This limit switch triggerd for no reason I know about, it has happend ones before. When I reset it seems to be ok.
I it possible to restart the process at line 1000? I shut the PC and control off but I know exactly where 0 are on all the three axis. Or can I just delete 900 lines, of cause leave the start up lines and start from there?
Hope someone can give me some advises :)
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Hi,
sounds like electrical noise triggered the limit. It will recur at random times until you eliminate the noise source and/or protect
sensitive signal circuits.
You can start a program from part way through but be warned that you will gouge and otherwise wreck a few pieces of work
before you learn all the quirks. Suggest you try a few run-from-here instructions in scrap material first. Read the instructions in
the manual Mach3Mill_1.84.pdf section 6.2.7.8 on page 6-7.
Craig
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Hi,
Thanks a lot. Will try and isolate or eliminate the noise source.
Will try some run from here in the air first.
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Hi
All my motor cable was screened but the screen was not earthed. I have now terminated them to earth and run the router for some hours without tripping. I have also used run from here several times with perfect result.
Thanks a lot Craig
Gaute