Z-axis grinding and going up then down and triggering estop

[OnefinityCNC (Onefinity CNC Official ✅)]

Wire issue in z:

Troubleshooting: Rail is getting hung, stuck, grinding, or moving in opposite direction

Rail is getting hung/stuck/grinding. Special notes to read before following each step: A rail getting stuck/hung is typically one of two things, either a wire/connection issue or the grub screw on the ball screw isn’t tight on the side that isn’t moving. One thing to remember, stall homing adjustments do NOT affect rail movement during cutting or jogging. If the rail isn’t moving correctly during cutting or jogging, incorrect stall homing is an affect of this greater issue. Any time the axis …