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Thread: Lost negative Y movement

  1. #1
    Join Date
    Nov 2020
    Posts
    4

    Default Lost negative Y movement

    Hi there,

    I went to re-zero my desktop today, and when it went to go discover the Y limit switch, it shot right past and started an awful grinding noise at the end of the Y travel. I shut it down, powered everything off, and manually moved the gantry in the negative-Y direction a few inches. Since then, the keypad control for negative-Y (the "down" arrow) only moves the gantry in a positive-Y direction. Same with the positive-Y control. So, I have no way to move the gantry in a negative-Y direction.

    Anybody have any suggestions?

  2. #2
    Join Date
    Oct 2000
    Location
    Willis Wharf, VA
    Posts
    1,713

    Default

    It's possible that you have a bad driver...only moving in one direction is a symptom of that...but the first thing I'd look at is the Y-axis location in the display and see if it's a large negative number. If so, try setting it to 0 by typing ZY and then try moving it again.

    Bill

  3. #3
    Join Date
    Apr 2013
    Location
    Kennebunkport, Maine
    Posts
    4,318

    Default

    Just wondering if the problem was resolved?
    scott
    scott P.
    2013 Desktop/spindle/VCP 10
    Maine

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