The y axis keeps locking up. I can push pull it and use the motors to make it move but unless I’m pushing or pulling it is locked up. I can hear each motor trying to spin.

Sounds like your y-drive motor couplings are slipping. It’s an easy diagnosis & fix…remove your x-axis and drive your y-drive back and forth. Both sides should move together and freely, if one side is not (could be both) your coupling is slipping if you can hear the motor driving. There is a YouT…

Perfect thanks, any link to the video. I was searching for it for a while, assuming that there must be some sort of cupling, but wasn’t sure what to call it.

[image] Y motor coupling not tight on arrival Troubleshooting (X35/X50) [ - YouTube] When reassembling from OneFinity “make sure the tension nut for the ball screw is JUST loose enough to let the washer move freely. Too tight and it won’t rotate”

Y Locking up after a few successful cuts

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OnefinityCNC (Onefinity CNC Official ✅) June 1, 2021, 4:47pm 5

We’ve since made a video specific to the grub screw on the ball nut: https://youtu.be/N2umWxvSqB0

Y Axis Losing Position (solved in firmware 1.0.6)

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Y Locking up after a few successful cuts

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