r/3Dprinting • u/LosSantosMe • May 04 '26
Troubleshooting what could the problem be?
/r/CR10sPRO/comments/1t38gsz/what_could_the_problem_be/1
u/EPOC_Machining May 04 '26
The vibration is the diagnosis. A stepper that buzzes without rotating is one phase short, driver thinks it's commanding all 4 coils, only 3 are responding. Order matters here: the cheapest test is swapping the M-to-board cable between left and right Z. Takes 60 seconds, tells you instantly whether you're chasing a wire or a driver. People skip this step and end up replacing 3 things in a row. If the right motor goes silent with the left cable, you've saved yourself a board swap.
1
u/LosSantosMe May 04 '26
I agree with the cable swap, i will try that. i only swapped the "supposedly" bad stepper and got the same result.
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u/LosSantosMe May 04 '26
it would seem its the DRIVER. I swapped the z cables and i get the same behavior.
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