Can the steppers be set up to keep power on them when idle. When I move the y axis, the drag chain is enough to cause the axis to recoil a small amount when the move is complete. I believe the problem is that power is dropped from the steppers when idle. I need some power on the steppers to provide some holding torque.
This is a GRBL firmware setting: Grbl v1.1 Configuration · gnea/grbl Wiki · GitHub
Set $1=255 to keep the motors engaged at all times.
Thanks for the rapid response. I completely missed that setting. It works like a charm now.
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