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RE: [mach1mach2cnc] Black Screen, Weird Characters, and Missed Steps

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  • Dave Halliday
    Second this thought. Dave
    Message 1 of 6 , Aug 31, 2010
      Second this thought.

      Dave

      > -----Original Message-----
      > From: mach1mach2cnc@yahoogroups.com
      > [mailto:mach1mach2cnc@yahoogroups.com] On Behalf Of Jeffrey T. Birt
      > Sent: Tuesday, August 31, 2010 11:18 AM
      > To: mach1mach2cnc@yahoogroups.com
      > Subject: RE: [mach1mach2cnc] Black Screen, Weird Characters,
      > and Missed Steps
      >
      > Sounds like it could be a bad video card.
      >
      >
      >
      > Jeff Birt
      >
      > Soigeneris.com
      >
      >
      >
      > From: mach1mach2cnc@yahoogroups.com
      > [mailto:mach1mach2cnc@yahoogroups.com]
      > On Behalf Of Mark
      > Sent: Tuesday, August 31, 2010 11:17 AM
      > To: mach1mach2cnc@yahoogroups.com
      > Subject: [mach1mach2cnc] Black Screen, Weird Characters, and
      > Missed Steps
      >
      >
      >
      >
      >
      > I have been using Mach3 and my home built CNC machine for
      > various projects
      > with no issues.
      >
      > I haven't used the machine or computer in a few months with
      > no changes to
      > machine or setup.
      >
      > I created some g-code files and loaded them into Mach3 today. Nothing
      > special or odd with anything I am trying.
      >
      > After only about 30 seconds of carving I encountered the
      > following issues:
      >
      > 1) The entire computer screen completely went solid black.
      >
      > 2) After computer screen reappears there are some really odd
      > hieroglyphic
      > looking characters in mach3's g-code panel. Here is a link to
      > a screen shot:
      > http://www.masterkeyhost.com/cnc/mach3_error.jpg
      >
      > These odd characters are NOT in the original g-code text
      > file. These odd
      > characters appear on the line that was being executed when
      > the screen goes
      > black.
      >
      > Once mach3 continues the odd characters disappear and the
      > original g-code
      > appears as it does originally.
      >
      > 3) Sometimes the CNC machine will continue to run properly
      > when the above
      > happens but most of the time this causes missed steps and the
      > carving is
      > ruined.
      >
      > Originally this would cause Mach3 to stop with a "watchdog"
      > error. I did
      > some initial research and people suggested turning off the "watchdog"
      > setting. I did this. And, now Mach3 continues to run but as i
      > stated in #3
      > above I get missed steps.
      >
      > Anybody ever experience this?
      >
      > Or, have any suggestions or ideas on how to fix this?
      >
      > This is a windows XP Pro machine with a AMD 768Mhz processor
      > with 768Mb of
      > RAM.
      >
      > This particular g-code file is not nearly the most complex
      > nor the largest
      > file I have run.
      >
      > Nothing has been purposefully changed on the machine. I am baffled.
      >
      > Thanks for any help!
      >
      > Mark
      >
      >
      >
      >
      >
      > [Non-text portions of this message have been removed]
      >
      >
      >
      > ------------------------------------
      >
      > www.machsupport.com - Web site AccessYahoo! Groups Links
      >
      >
      >
    • Brian Barker
      Hello Mark, Are you running the file over a network or from a flash drive?? If you are this could cause the problem, you need to copy the file to the local HD.
      Message 2 of 6 , Sep 1, 2010
        Hello Mark,
        Are you running the file over a network or from a flash drive?? If you
        are this could cause the problem, you need to copy the file to the local
        HD. The reason for this is because we use a memory mapped file to handle
        large files.

        Hope that helps
        Brian


        Mark wrote:
        > I have been using Mach3 and my home built CNC machine for various projects with no issues.
        >
        > I haven't used the machine or computer in a few months with no changes to machine or setup.
        >
        > I created some g-code files and loaded them into Mach3 today. Nothing special or odd with anything I am trying.
        >
        > After only about 30 seconds of carving I encountered the following issues:
        >
        > 1) The entire computer screen completely went solid black.
        >
        > 2) After computer screen reappears there are some really odd hieroglyphic looking characters in mach3's g-code panel. Here is a link to a screen shot: http://www.masterkeyhost.com/cnc/mach3_error.jpg
        >
        > These odd characters are NOT in the original g-code text file. These odd characters appear on the line that was being executed when the screen goes black.
        >
        > Once mach3 continues the odd characters disappear and the original g-code appears as it does originally.
        >
        > 3) Sometimes the CNC machine will continue to run properly when the above happens but most of the time this causes missed steps and the carving is ruined.
        >
        > Originally this would cause Mach3 to stop with a "watchdog" error. I did some initial research and people suggested turning off the "watchdog" setting. I did this. And, now Mach3 continues to run but as i stated in #3 above I get missed steps.
        >
        > Anybody ever experience this?
        >
        > Or, have any suggestions or ideas on how to fix this?
        >
        > This is a windows XP Pro machine with a AMD 768Mhz processor with 768Mb of RAM.
        >
        > This particular g-code file is not nearly the most complex nor the largest file I have run.
        >
        > Nothing has been purposefully changed on the machine. I am baffled.
        >
        > Thanks for any help!
        >
        > Mark
        >
        >
        >
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