One of the Vorons is down! My guess is a faulty stepper motor driver. The extruder makes buzzing sounds and the motor goes back and forth for some reason when loading filament. Seems like the motor and gear train are fine, they rotate manually without making sounds. If it’s not the drivers, it could be the stepper motor itself. Since drivers are easier to swap, I have some on the way from Amazon. At least I can still print with the second Voron. Not bad for 1,500+ hours to have a first serious problem.
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