I am rebuilding an Openbuilds C-Beam XL using a SLB. The X & Z axis work as they should, both Y motors seem to be laboring (a different sound and slow movement) even when not driving a load. I have tried each on both Y1 &2, changed speeds and acceleration and nothing seems to change. Do I have a wiring issue?
Found the issue. Wiring was good. 101 Y-axis resolution was set to 19. I have no idea how but set it to 200 to match X&Z and all is good
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@10Fingers Welcome to the group, Harvey. It’s an excellent first post. You asked for help solving a problem and solved it yourself. Good on ya. 
I don’t know if this applies to your problem, but, when using the Vortex rotary axis and the Y/A switch, gSender swaps the Y resolution for the A resolution. The A resolution is ~19.
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