Problem with stepping motors

What do you think it is?

He swapped the cables to the motors and the problem stayed with the motor… He effectively swapped motors, although not physically. What else could it be?

If you have a suggestion, I’d rather he replace the correct part.

:smile_cat:

To me it acts like it is stopped by something. We all know what that looks like. But I have never seen what a bad motor looks like. It’s either a motor or X axis problem. I just lean towards an axis. Motors are pretty robust.

You’re thinking mechanical?

I think he moved them by hand without any difference in feeling along the travel… at least I hope so.

:smile_cat:

I was a mechanic. So I tend to think mechanical.
He did say he did that.
I haven’t seen what a bad motor problem looks like. Maybe one bad coil would cause that symptom, in which case I would measure resistance on coils. Will be interesting to find out.

Hello !

I just put in the brand new motor to test and the problem was still there. But the thing is for the test, i used the old cables. So i tried to use new cables and the motor worked well. So it was a cable problem as dean448 and jkwilborn did put the hypothesis on the table.

So many thanks to everyone for your help !!

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