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Thread: G540 fault

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  1. #1
    Join Date
    Nov 2008
    Posts
    644

    G540 fault

    I just wanted to pass this along to anyone having issues with the fault condition on a new system.

    Conditions at the time of the fault:
    No motors connected.
    Newly rebuit XP machine on a mini desktop with a deticated parallel port
    Was able to find and set the EPP for the parallel port in the bios setup.
    had limit switches and an e-stop switch and 36V power applied to the unit.
    Newly loaded copy of Mach3
    Settings for the charge pump all per the manual.
    Charge pump on-off switch had no effect on fault.
    Reading all the posts with no help....
    Then I noticed someone wrote about a short lead to the e-stop.
    disconnected the e-stop switch and wired it directly to -VDC. (which is bascially what the switch was doing).
    Drive fault gone.
    Motors up and working.
    Mach3 working with the help of the xml config file for G540.

    I'll eventually have to figure out what switch to use that doesn't cause this fault.

  2. #2
    Join Date
    Sep 2006
    Posts
    29
    It's appear to be an e-stop problem.

    Have you try just pushing your e-stop.
    You can also try inverting your e-stop in config, input pin.

    Don't forget to try your e-stop after that.


    Yan

  3. #3
    Join Date
    Jul 2007
    Posts
    1602
    Sounds to me like your e-stop switch is open. Make sure that you are connected to the Normally Closed (NC) contacts of the e-stop switch.

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