Ultimaker 3 bed won’t raise up.

[Adam_k 0]

When I try to print something and the printer tries to raise the bed it moves a tiny bit and starts making this horrible noise. I can’t move the bed manually. It moves a little and than seems to get stuck and makes a noise. How do I fix it?

[UALib3D 2]

Did You ever figure out what the issue was? It is happening to me as well.

[servant74 1]

I am having this problem today.

[Torgeir 242]

Hi @servant74,

 

this seems to be the Z-end stop switch.

The first thing the printer will do is to synchronize the the bed position, this is done by lowering the bed until bed end stop is sensed, then the stepper motor stop and reverse to the actual start position.

In your case, the motor step down, but only reach the hard stop and jump back a step, this will go over and over and makes a lot of noise!

 

The end switch is probably pressed to far down (out of adjustment), so that the bed "stop screw" do not reach the actuator lip. Of course, a faulty switch or unconnected connector for this end switch is also a possible error.

 

Good luck

 

Torgeir

Edited December 17, 2022 by Torgeir
text error.

[servant74 1]

great, I'll check that.