I was getting ready to start a project when the Z-axis went haywire on me. I had homed my Journeyman then I set up the probe and was bringing the Z-axis down, it faulted and as I pressed down it went up. Then I pressed up, it moved, stopped then started going down. I unplugged then plugged everythin…

Erratic movement of a stepper motor is normally an indication that there is a broken wire to that motor. Suggest doing continuity test of the cable to the Z-Axis stepper motor, from the controller.

Hey Mike, [image] Cruzcreated: I was getting ready to start a project when the Z-axis went haywire on me. I had homed my Journeyman then I set up the probe and was bringing the Z-axis down, it faulted and as I pressed down it went up. [image] Z Axis Runaway (help solve my mystery) Any tim…

Thanks for the help. It was the Z-axis wire harness. Got a new one from Route1wood designs and I’m back up and running. It was a great learning exercise to completely dismantle and assemble all the axis drives and run continuity checks.

The plug ends of the cables are a considerable weak point in connection even though 1F bonds the plug and cable together. At least on my machine, the glue dab was barely making contact with the plug on two of them. I’ve indicated in other posts that I used a hot glue gun to supplement, if you will…

Bad wire or software update needed?

Original/PRO Series (Buildbotics) (Gen 1)

CommunityUser5 December 24, 2022, 7:16am 3

Hey Mike,

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Bad wire or software update needed?

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