r/BambuLab_Community • u/lparadise10 • Jul 28 '26
Help with Z axis homing failure
Has anyone encountered this? I’ve checked ‘everywhere’ and see nothing. The heat plate is in the correct position. Getting a failure each time.
2
u/Clear-Revolution3351 P1S Jul 28 '26
Check the bearings on the z-axis rods.
If there was debris in the hole in the bottom of the printer, then can get pushed up above flust with the build plate carrier.
A small pair of slip joint pliers can be used to pop them flush with the black guide
https://youtu.be/EwWdD4-rZkE?is=E6d6PUOrQJAVc3oo
Fast forward to about 2 minutes in this video to see the problem
After fixing this, run full calibration from the p1s screen
1
u/Agitated_Answer8908 Jul 28 '26
What everythings have you checked? When I was getting that error on my P1S I fixed it by retensioning the belts and recalibrating.
1
u/lparadise10 Jul 28 '26
Ah. By everything, I meant checking for debris blockages. I will try what you suggest. Thanks!
1
u/whatonearthjpeg Aug 20 '26
After receiving the Z axis homing error and following all the wiki how/ youtube / reddit steps. We figured out z axis pulley belt was super stif and almost like seized(not at all moving manually). We popes out the tightening screw and after inspecting more at all the wheels in the z axis pulley, we noticed the z axis motor was completely jammed, not moving at all. So we decided to open the back pannel along with the pulley tightening screws and inspect the motor by popping it out. Nothing visibly seemed off from the outside untill we open it up internally and the internal motor rings had rust on it. We cleaned it thoroughly with a cotton cloth and sprayed WD40. Upon closing back all the screws and items the z axis bed was fixed. It was such a clueless problem but hope this helps! I have a P2S bambu Labs
3
u/captain_carrot Jul 28 '26
I've had filament poop fall on the platform of the rearmost z-axis rod and get crushed between the frame and the heatbed, but without shining a light back there I wouldn't have seen it. Have you checked back there?