A1 mini making strange noises

Bambu Lab A Series Troubleshooting
1

My A1 mini started to make strange noises today. The printer is 3 weeks old and worked without a flaw until today. I’ve attached two video’s, each one with their own issue.

Issue one: when printing the printer makes this noise when moving the bed (only when moving backwards) It goes away after a few layers. But when the print is done and the bed is pushed forward, the sound is also there

Issue two: the printer makes this noise while moving rapidly, it didn’t make this noise before.

Things I’ve done and checked:

  • Lubrication
  • Check if the screws are tight
  • Check if there is any debris on the rails
  • Checked if the filament spool is turning freely
  • Done a full calibration
  • Change settings in the slicer back to factory settings (Bambustudio)

But the issue still persists.

Link to issue one: https://youtube.com/shorts/6Vev2jYfGb4?feature=share
Link to issue two: https://youtube.com/shorts/qyVv5gycWQ8?feature=share

2

It could be that that there is a piece of filament inside where the beds motor is

3

So I have to open the bottom? Doesn’t this void warranty?

6

If you mean the 2 minutes at the beginning of a print: YES. That is the vibration calibration. To be precise, the compensation of vibrations.

7

@Barktus

I have a thread around here somewhere where I had to remove the bed in order to remove a tick filament ball…but ■■■■ if I can find it anywhere.

Unless you see something jammed under that gray plastic piece under the bed on the left side, you shouldn’t have to do all that.

Removing the screws holding the bottom plate will give you access if anything fell into the bed slide (crack) :laughing:

8

No there isn’t anything under there. I have tried multiple things. The sound got away, but I now has a y-axis vibration error that won’t go. Even after tensioning the belt multiple times and calibrating it again. So I’ve resorted to make a ticket, in hope this can be fixed.

9

Found it: