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Self test failed on X axis: why?  

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timothyebuchanan
(@timothyebuchanan)
Active Member
Self test failed on X axis: why?

My MK3S was printing fine yesterday. Today I loaded filament and during bed calibration, it said crash detected. I decided to run the calibration wizard. After testing the fans, it began to move the head then stopped, saying X axis failed. I can't see anything stopping the X axis from moving. How do I begin to troubleshoot this?

Best Answer by Agkirk:

My experience was the x-axis rods may need a drop of oil.

Posted : 30/05/2020 8:57 pm
Area51
(@area51)
Member
RE: Self test failed on X axis: why?

When the power is off, try moving the axis slowly from side to side, it should move smoothly without any stops. If not something could be wrong with the linear bearings, rods or the back carriage is fastened to tight.

Have a look at my models on Printables.com 😉

Posted : 30/05/2020 10:35 pm
Agkirk
(@agkirk)
Estimable Member
RE: Self test failed on X axis: why?

My experience was the x-axis rods may need a drop of oil.

Posted : 30/05/2020 10:51 pm
timothyebuchanan
(@timothyebuchanan)
Active Member
Topic starter answered:
RE: Self test failed on X axis: why?

@area51

Tomorrow I will try loosening the back carriage fasteners, and lubricating rods. Thanks to both.

Posted : 30/05/2020 11:49 pm
rmm200
(@rmm200)
Noble Member
RE: Self test failed on X axis: why?

Light oil is a good diagnostic test.

It is no substitute for removing them and packing them correctly with the appropriate grease.

Posted : 04/06/2020 6:58 pm
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