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Solved HELP!! Stepper motors only going up not down!

Discussion in 'Troubleshooting' started by Will . I . Am, Apr 16, 2017.

  1. Will . I . Am

    Will . I . Am Member

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    just recently started doing a print and the motors went too low into the build plate and there was a pop sound and I immediately turned it off and checked it. now the motors only go up and won't go down anymore. Any ideas? anyone?
     
  2. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    One of the Z home switches is stuck open. Probably got knocked out of place.

    Sent from my SAMSUNG-SM-G930A using Tapatalk
     
  3. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    They are normally open and held closed by the weight of the carriage. If mospositioned they will open and read as HOME

    Sent from my SAMSUNG-SM-G930A using Tapatalk
     
  4. Will . I . Am

    Will . I . Am Member

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    @mark tomlinson how to you get them back to where they are supposed to be?[​IMG][​IMG]
     
  5. Will . I . Am

    Will . I . Am Member

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    also @mark tomlinson Where are the Z switches located? are the one of the pictures pictured above? Or are they somewhere below where you can't see IE underneath the bed area
     
  6. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Second picture shows one out of position. It should look just like the one in the first picture.
    The nut and brace holding the switch is totally out of position.
     
  7. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Hold the threaded rod on the side it is correct and turn the other one until it is correct. May take some fiddling to get the nut to seat back in.

    Best to do all of that with it off too.
     
  8. Will . I . Am

    Will . I . Am Member

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    @mark tomlinson well the rod on the left side I adjusted till i hard a clicking sound so its touching but the one on the right side where theres about a 25-28mm gap between the little orange clicker and the bottom of the carriage. Is that gap supposed to be there?
     
  9. Will . I . Am

    Will . I . Am Member

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    ok now i see! its not supposed to be that low! But damm how on earth did it manage to bump it that far out of proportion wow.
     
  10. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    It happens :)
    Get that brass nut back in place and the switch that is open will be pushed up against the carriage and then read closed/not home
     
  11. Will . I . Am

    Will . I . Am Member

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    GOT IT!!!! Thanks so much for the help! I thought i ruined my Robo forever! :)
     
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  12. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Hah. That would take actual effort.

    Sent from my SAMSUNG-SM-G930A using Tapatalk
     
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