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No motor movement

Discussion in 'CNC Mills/Routers' started by GrandpawB, Jun 30, 2015.

  1. GrandpawB

    GrandpawB Well-Known

    Dec 23, 2013
    Likes Received:
    So I had to replace the hard drive in my CNC Computer. Re-installed Mach3. Put it in EPP mode, configured port and pins, reversed and cloned the A drive. Checked and rechecked all my settings. Everything should be set for motor movement. I have a green light on my G540. I double checked my cable with a meter.The DROs shows movement but the motors don't move. What am I forgetting or doing wrong?
  2. David the swarfer

    David the swarfer OpenBuilds Team
    Staff Member Moderator Builder

    Aug 6, 2013
    Likes Received:
    your step and direction pins are probably reversed
    there are 2 common pin layouts, one with
    'step dir step dir' ordering and the other with
    'dir step dir step'

    it pays to make backups of setup files!
    and make notes on what goes where and why (-:
  3. Jonny Norris

    Jonny Norris Well-Known

    Aug 17, 2014
    Likes Received:
    you should make sure the parallel port drivers are correct and upto date to begin with. also need to make sure the port address hasnt changed

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