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After week of break, X and Y axis LOCKED, can't move by hand (on/off)


carmamir

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Posted · After week of break, X and Y axis LOCKED, can't move by hand (on/off)

I left UM for several days unused, I just turned few minutes ago, start print and suddenly I can hear sound and then X/Y start missing steps (like by huge M as both axis locked)...

I can't move it by hand (unless I use a lot of force). I haven't done with it ANYTHING, it just happened after several days of non using...

I can't see what is wrong, belts looks fine, looks like motors are just locked...

Any help with it ?

 

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    Posted · After week of break, X and Y axis LOCKED, can't move by hand (on/off)

    When the motors are energized, the head will usually be pretty hard to move by hand. I think that the steppers are explicitly released at the end of a print, or after 60s of inactivity by default. Perhaps that release isn't happening now for some reason? Is it also hard to move when the printer is powered off?

     

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    Posted · After week of break, X and Y axis LOCKED, can't move by hand (on/off)

    I agree with illuminarti's take on this. Before trying to fix this any more, determine the cause of the lock-up by disconnecting the belts from the sliding blocks. Then try to move them. I think the rest is obvious. Hope this helps.

     

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