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Stepper Motor Driver Board

Discussion in 'Troubleshooting and Build Support' started by samr&d@IntroSpec, Aug 12, 2011.

  1. samr&d@IntroSpec

    samr&d@IntroSpec New Member

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    My driver board did light up prior to the final installation. Now I can not get power to the board. Have reset the power leads on the board several times still no LED's. Have any ideas on what I did to it and how to fix it?
     
    samr&d@IntroSpec, Aug 12, 2011
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  2. samr&d@IntroSpec

    samr&d@IntroSpec New Member

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    :questions:
     
    samr&d@IntroSpec, Aug 12, 2011
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  3. 7up

    7up Moderator Staff Member

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    If you have a voltage/multimeter, check your 2 leads coming from the power supply that hook to the board, to make sure you are getting power to the board. Set your meter to read DC voltage.

    If voltage is OK, set your meter to Ohms and check your fuses on the board for continuity, if fuses are OK your meter should read 0 (zero) or very close to it, depending on your meter setting. Check the fuses with all power off.

    If power and fuses OK, disconnect everything from board except power supply and check for lights.

    If lights OK reconnect stepper motors one at a time and re-check for lights.

    Whew... :D Report back.
     
    7up, Aug 13, 2011
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  4. Tweakie

    Tweakie Member

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    I know this sounds really daft but check your polarity "Plus to Plus" and "Minus to Minus".

    Tweakie.
     
    Tweakie, Aug 13, 2011
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  5. samr&d@IntroSpec

    samr&d@IntroSpec New Member

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    OK Power while the leads are not in the board is good. All three fuses read zero. Positive on the left, looking at the board installed in the machine, and negative on the right. But I get zero volts across the screw heads when testing the leads installed. :think:
     
    samr&d@IntroSpec, Aug 13, 2011
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  6. samr&d@IntroSpec

    samr&d@IntroSpec New Member

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    Success! I have lights now. Thanks.
     
    samr&d@IntroSpec, Aug 13, 2011
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  7. TigerPilot

    TigerPilot Well-Known Member

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    Even if it's embarrassing, what was the problem? Just as a reference for others who might run into the same problem.
     
    TigerPilot, Aug 14, 2011
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  8. 7up

    7up Moderator Staff Member

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    Great news! :doubleup:
     
    7up, Aug 14, 2011
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  9. kram242

    kram242 Administrator Staff Member

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    Sam, Glad to hear your up and running! but please do tell so that we can know what to look for should this happen again.
    Thanks brother :good:
    Mark and Trish
     
    kram242, Aug 17, 2011
    #9

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