There are some details in the instructions that I’d like clarification on. The instructions say to use one motor with a long cable and one with a short cable for the y axis. But I noticed that both short cable motors are 71A and the long is 70A. If both motors are for the same axis then are they really supposed to have different amperage?
One short cable is for the Y1 and the other is for the X. The only long cable is the Y2. I’m not sure if the 71A you’re referencing is truly an amp rating?
Edit, I read your statement about both motors thinking you thought to use both short cables for the Y. I see that’s not what you mean though. Set it up as the instructions say and you’ll be fine.