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Unresolved Stepper motor not moving

Discussion in 'Troubleshooting' started by josh.2o, Jun 26, 2016.

  1. josh.2o

    josh.2o New Member

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    So I recently replaced my stepper drivers with some dvr8825s to stop my printer from skipping steps. The installation went smoothly and all the axis where working except the extruder which did not move at all.

    On a side note one of the wires fell out of the quick connector which I put back in, I'm not sure if this would matter.

    Printer: robo 3d r1
     
  2. Geof

    Geof Volunteer Moderator
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    Might just be a dead driver. Switch extruder wire on board with x wire on board. When you press extrude x should move. When you press x extruder should move. This will tell you board or motor...wire could be an issue but lets start here
     
  3. josh.2o

    josh.2o New Member

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    I did that, and I tried swapping with an extra driver I had. But thank you for the help

    Sent from my ONE E1005 using Tapatalk
     
  4. Geof

    Geof Volunteer Moderator
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    So when you swapper x and extruder what happened ?
     
  5. josh.2o

    josh.2o New Member

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    The extruder moved crudely and the x did nothing

    Sent from my ONE E1005 using Tapatalk
     
  6. Geof

    Geof Volunteer Moderator
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    So list of components- stepper(proven to work as you swapped the wires and the issue moved.

    All that's left is

    Driver- you swapped and it didn't change (assuming you set them?)

    Wiring- you did see an issue so likely culprit if the connector and pin arnt right- if under warranty request a replacement from robo

    Ramps- could be but not often a failure

    Arduino- very unlikely but possible.

    I'd start with the wiring. Continuity check by unplugging from ramps and motor and probe wire by wire to see if there Is a break. Visually inspect for that connector/pin being lose again.
     
  7. josh.2o

    josh.2o New Member

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    Okay thank you so much I will try checking the wire

    Sent from my ONE E1005 using Tapatalk
     
  8. Geof

    Geof Volunteer Moderator
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    Your very welcome, keep us posted and we will help
     
  9. josh.2o

    josh.2o New Member

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    I am fairly sure it is not the wire as the stepper motor moved while connected to the x axis driver

    Sent from my ONE E1005 using Tapatalk
     
  10. Geof

    Geof Volunteer Moderator
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    i would tend to agree but still worth checking. Sometimes the connection is just loose :)
     
  11. josh.2o

    josh.2o New Member

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    One last thing, if it is the ramps board do you think I could just plug the driver into the e1 port and edit the firmware to allow this?

    Sent from my ONE E1005 using Tapatalk
     
  12. Geof

    Geof Volunteer Moderator
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    I don't have an r1 but I'd suggest you plug ext 1 in and try it. I thought ext 2 was empty
     
  13. josh.2o

    josh.2o New Member

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    Yes that's what I meant but its labled as e0 and e1

    Sent from my ONE E1005 using Tapatalk
     
  14. Geof

    Geof Volunteer Moderator
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    Oh gotya. It may work. An r1 ramps on Amazon is around 10 bucks :)
     
  15. josh.2o

    josh.2o New Member

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    Thanks again

    Sent from my ONE E1005 using Tapatalk
     
  16. Geof

    Geof Volunteer Moderator
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  17. josh.2o

    josh.2o New Member

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    I am so sorry I was trying to cold extrude

    Sent from my ONE E1005 using Tapatalk
     
  18. Geof

    Geof Volunteer Moderator
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    :) yea that doesn't work well lol.
     

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