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Calibrate Z Fails  

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Marauderz
(@marauderz)
Active Member
Calibrate Z Fails

While I can perform the extra long Calibrate XYZ, whenever I try to perform a Calibrate Z from the menu, it always fails when it brings the extruder down from the top off the Z axis after bumping to the top. What could the problem be? 

Thanks for any help.

Posted : 16/03/2021 10:56 am
Clarmrrsn
(@clarmrrsn)
Honorable Member
RE: Calibrate Z Fails

Was this a newly assembled kit?

https://help.prusa3d.com/en/article/failing-z-calibration-mk3s-mk2-5s_160858

Have you read this document, might help.  Sound like it is reading the wrong length of the axis

 

Tank you very much!

Posted : 16/03/2021 11:08 am
Marauderz
(@marauderz)
Active Member
Topic starter answered:
RE: Calibrate Z Fails

@clarmrrsn

Yes I freshly assembled this MK3S+ kit. And yes, I've checked the document. Nozzle assembly is fine and the heater block is not protruding, so I guess I'm definitely in the "Assembly is correct but calibration keeps failing" category...

Posted : 16/03/2021 12:32 pm
Clarmrrsn
(@clarmrrsn)
Honorable Member
RE: Calibrate Z Fails

There are some helpful hints in these threads, worth trying.

https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-assembly-and-first-prints-troubleshooting/z-calibration-keeps-failing/

Check your cabling as well, another thread reported an issue with the Pinda Probe cable.

https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-hardware-firmware-and-software-help/z-axis-calibration-failed-at-the-top/

If that doesn't work go onto the live tech support with Prusa, through the EShop

Tank you very much!

Posted : 16/03/2021 1:03 pm
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