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Stepper Extruder problem

Posted by minimaximal 
Stepper Extruder problem
September 14, 2010 09:51AM

I have following problem with my stepper extruder.
I want to test the stepper extruder. If I select extrude it does not work but if I select reverse it works.
So stepper only works in one direction. I checked the hardware (both H-bridges work with DC motors)
Stepper motor works in both directions on stepper control board but not on extruder controller board

Any ideas or suggestions what could be wrong?

Re: Stepper Extruder problem
September 14, 2010 10:25AM
Have you got your opto's connected? If not disable them in the firmware while testing!
Re: Stepper Extruder problem
September 14, 2010 12:11PM
I disabled optos in the firmware but it only effects stepper boards and not extruder controller.

But I found it.

In my Gen3 electronics the analog ground and digital ground was not connected and that caused the problem.


Re: Stepper Extruder problem
September 14, 2010 02:06PM
Ah yes, next time I'll read the question more carefully winking smiley...

Having an Opto on the extruder...eye rolling smiley

Anhow, good stuff you got it working!
Re: Stepper Extruder problem
November 20, 2010 09:44AM
What ground are you talking about. I have just started to work on the extruder and I have not got anything to work.
Please post a picture of how you have it connected.

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