jambalyle

Ok. So I'm more puzzled than before. I setup pronterface and did what gr5 suggested: M302 and then G1 E100... it worked, as in the motor behaved as it should. I tried a few other commands and everything worked normally. Then I disconnected and tried the same thing from the Ulti-controller except this time I had to heat up the nozzle so I could advance the feeder. This time the motor started shaking again. Next I reconnected with pronterface to try again. Worked no problem. I figured it might have something to do with the heater being on and there not being enough current going to the extruder, but from pronterface I turned on the heater and then did the same G1 E100 commands and everything worked fine. So mechanically nothing seems to be wrong with the machine which means its gotta be a software / firmware thing right? I've already tried reinstalling the firmware via cura. Is there a better way to do it? I saw a "reset printer" button in pronter face but figured i'd stay away until I knew what exactly it does.

Nice! Might be nice to have the whole thing on casters too.

The feeder assembly made a noise so i took it apart to see what was causing it. That's when I discovered the motor wasn't actually turning, just shaking and it was the whole assembly vibrating against the machine that was making the noise. How did you activate the second extruder port?

Not that many / any people have read this question yet, but I tried reinstalling the default the marlin firmware and the problem continued. I'm scratching my head on this one and trying to figure out if I can do a simple fix or if I need to shell out for a whole new board.

I'm having the same problem on my UMO + as well. I want to try running the feeder stepper motor off of the extruder 2 port. I'm assuming I'll have to edit something in the firmware or machine settings right?

Hi all, I had a weird encounter with my UMO+ yesterday. I had just changed filaments and started a build when the extruder motor made a terrible noise and stop pushing filament. I checked the feeder assembly and everything was tight, but not too tight. I canceled the job and started to trouble shoot. The X, Y, and Z motors all worked fine and responded correctly to prompts from the controller. I then put the machine on its side to access the board on the bottom. I swapped the z-motor with the extruder 1 lead and told the z (now the extruder motor) to advance. It worked fine. I then told the extruder (now connected to the z-bed) to advance and it moved fine. I then returned all the leads to their normal positions and tried to move the extruder— same noise and the I was able to move the gear freely (i.e. in the direction the motor was trying to turn it and the opposite way). So it seems there's some combination about the extruder motor and the ex-1 terminal on the board that doesn't seem to want to work right. I see there is a ex-2 terminal as well and want to try using that hook-up and seeing how the motor behaves. Any thoughts on how I would go about doing that? Changing the Firmware yeah? All input is appreciated. Cheers,