Ehhh.... is there obvious heat?
It sounds like it's a heat issue.
The defect follows the motor, not the axis.
If it was an issue with the software, when you switch the x and y axis, it shouldn't necessarily switch the problem around.
You might try adjusting your ramps so that those motors don't get as much current; if it's a heat issue limiting current will help, but it'll mess other things up.
It sounds like it's a heat issue.
The defect follows the motor, not the axis.
If it was an issue with the software, when you switch the x and y axis, it shouldn't necessarily switch the problem around.
You might try adjusting your ramps so that those motors don't get as much current; if it's a heat issue limiting current will help, but it'll mess other things up.