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Extruder motor doen't works correctly

Posted: Wed Nov 09, 2016 4:33 am
by veromero
Hi! Im Vero from Argentina!
The extruder of my Geeetech I3 ProB is not working correctly. When I set to extrude 100mm/s It extrude only 10mm/s (but this shows that the motor works), but then when I send it to print the motor of the extruder doesn't move even a little.
I have another extruder so I changed it in order to identificate the problem, but it happens the same thing. So the problem is on the board. Then I changed the controller chip and mesured the pololu but these things are OK..
Someone have any idea what could be the problem? and any solution? Can I do some changes on the frimware and exchange Extruder 1 with extruder 2 pin or something like that?

I really appreciate your help :D