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Ultimaker 2 - Z-axis broken?!


xperiment
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Posted · Ultimaker 2 - Z-axis broken?!

Hi, during my last prints with my Ultimaker 2 (first version) I had the issue that the z-axis was moving down a few millimeters. In some posts there was mentioned that a modified mA of the z-axis could be the solution - it was not.

Now, I can´t even move the axis from the main menu. It does´nt response to the input. Only the error message "z-switch broken" appear. But the switch is okay, there´s nothing between the switch. But the whole z-axis does not response to any inputs.

The stepper motor runs well and light. I think thats also not the problem. What can it be? The mainboard?

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    Posted · Ultimaker 2 - Z-axis broken?!

    Hi

    is this the same issue but posted in Deutsch?

    I am having similar issues. No activity from the Z axis for the bed height, no movement or activation. All wires look correct, no visible damage. LED says z-switch error, however z-switch is clear and 'clicks'.

    This has happened while i have been trying to fix a short on the heating wires, but have no idea why the bed z movement has now failed!!!

    Additionally, main board is super hot to touch?

    How do i check to see if the motor is getting power?

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    Posted · Ultimaker 2 - Z-axis broken?!

    I would check the endstop itself, with the black heat shrink tube is hard to see if the cable is actually making contact or if the soldering points are wrong/not touching the metal.

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    Posted · Ultimaker 2 - Z-axis broken?!

    Yes, I have controlled the cable with a voltmeter. Bothe wires are connected well.

    I have also tested the stepper motor, he´s running well on a different axis. So the problem is not a broken switch and not a broken motor. Seems like the board is cracked...what do you mean?

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