For the z-axis not moving , here are some reason .
1.The z-axis limit switch is short circuit .
We can remove the z-limit switch cablle and see if the z-axis move down when you click "all " home .
If the z-axis can move down , it is limit switch problem and you may contact with us to change new one .
2.It is possible that the z-axis motor wire is loose .
You may open the base and install the z-motor wire again .
Then you may move z-axis and see if the z-axis move .
If not, we need to do another test .
3.It is related to motor driver .
You may switch z-axis motor cable with y-motor cable on the mainboard .
Then you click " Y-/Y+" and see if the z-axis move .
If z-axis move . it is possible that the motor driver broken .
If z-axis not move , it is possible that the motor or cable has problem .
You may contact with our sale-after : firstname.lastname@example.org.
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