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IndustryArena Forum > CNC Electronics > Gecko Drives > G540 Charge Pump test shows no green LED
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  1. #1
    Join Date
    Mar 2017
    Posts
    5

    G540 Charge Pump test shows no green LED

    Greetings!

    I'm trying to verify that my G540 works, but cannot get the green light in Step 3 of the manual.
    http://www.geckodrive.com/images/cms...8%20Manual.pdf

    When I flip the charge pump switch to DISABLED, the red FAULT LED turns off, but the green one does nothing.
    I have also tried disconnecting the motherboard and powering it up separately but no dice.

    Nick

  2. #2
    Join Date
    Jan 2007
    Posts
    467

    Re: G540 Charge Pump test shows no green LED

    nickfoocs,

    This sounds like it could be one of a few different things. Have you watched our troubleshooting video for the G540?

    If not, you can watch it here: https://www.youtube.com/watch?v=Y2fPmjeaHFk&

    The green LED not turning on could be caused by damage to the motherboard. Can you take pictures of the motherboard near the LED and email them to [email protected]? We have seen cases where G540s have been taken apart in the field and the LEDs have been damaged during reassembly. A few pictures would help me see if the problem is mechanical damage.
    Marcus Freimanis
    www.geckodrive.com

  3. #3
    Join Date
    Mar 2017
    Posts
    5

    Re: G540 Charge Pump test shows no green LED

    Alright Marcus, will do. Thanks!

  4. #4
    Join Date
    Mar 2017
    Posts
    5

    Re: G540 Charge Pump test shows no green LED

    As it turns out, only the green LED was not working, the rest of the G540 is working fine!

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