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  1. 21-12-2010 #10
    m_c's Avatar
    Lives in East Lothian, United Kingdom.
    m_c
    Last Activity: 9 Hours Ago Forum Superstar, has done so much to help others, they deserve a medal. Has a total post count of 2,970. Received thanks 369 times, giving thanks to others 9 times.
    Are you sure the stepper driver power is coming from the white box?
    The white box looks more like a VFD to me, which should be connected to the spindle control panel and spindle...

    The silver boxes look more like a PSU for the stepper drivers...

    If the motors are moving when connected to the Z-axis, then it does sound like the driver board is at fault.



    Best thing is to see if there are any model numbers on the different parts, as somebody may be able to identify them.
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