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If you swapped motors and the problem remains then I would swap the bad motor to a different axis on the Rambo, your problem could be a bad Rambo driver. You could also take a good working axis and plug it into the suspected bad port and see if the known good axis shows the same bad symptoms ...

BenTheRighteous wrote:Also, double-check you haven't accidentally changed the flow rate on the lcd, or the slider in mattercontrol itself.

The flow on the "home" screen of the printer reads 100%

precisionpete wrote:And if it's ticking that is the sound of a jammed extruder quite possibly

only the movement resembles ticking, no noise. thanks

on your lcd, sroll down and find what your steps per mm is set at for the extruder...... Note: The extruder retracts on travel fine Here are the stats from the LCD that I though might be relevant: Steps per mm: 92.4 Start FR: 45 Max FR: 100 Accel: 6500 Advance Lin: 0 DT/PID: 31.36 PID I: 2.18 PID D ...

When I run print jobs, the extruder motor makes minuscule rotations resembling a ticking clock rather than a fluid rotation like it used to. This problem arose suddenly without me changing any settings as far as I know. The motor rotates so little that almost no plastic is pushed through the hot end ...

I ordered a new fuse and everything is back to normal, thanks everyone

Eric wrote:The entire purpose of a fuse is to protect the rest of the circuit from damage. That's probably all that is wrong.

Thanks, I know I'm just fearing the worst

Hello everyone, I'm a student attending The University of Connecticut. I've worked with 3D printers, circuits, and robotics throughout my high school career. I am also going to be volunteering/teaching classes at my local library's new MakerLab. I've had my Orion Delta for a little over 4 months now ...