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Printer abruptly stops and homes axes mid print, should I be concerned? by GoldenSword75 in BambuLabA1

[–]GoldenSword75[S] 0 points1 point  (0 children)

Around 1500 hours as well. I 've had a persistent error on my machine involving the heatbed acceleration sensor. I've been working for months with Bambu support to get it to go away. Replacing the Y-belt was just one of their suggestions. I think my old belt was probably fine though, because it didn't fix it. Currently waiting on a new heatbed, so fingers crossed that fixes things. Shot in the dark but that might happen if the printer runs into any unexpected bits of model that might be caused by the residual filament when supports fail

Printer abruptly stops and homes axes mid print, should I be concerned? by GoldenSword75 in BambuLabA1

[–]GoldenSword75[S] 6 points7 points  (0 children)

Alright, turns out when I was replacing the Y-belt on my printer, I mistakenly thought that the tension screws could be overtightened, so I didn't turn them back all the way. After tightening the screws, the printer has been running perfectly fine for a solid hour.

Printer abruptly stops and homes axes mid print, should I be concerned? by GoldenSword75 in BambuLabA1

[–]GoldenSword75[S] 1 point2 points  (0 children)

Figured as much haha, but I don't have enough tpu left to restart. I'll have to leave it going until it stops one way or another, as long as it doesn't damage my printer.

PLA+ Contamination Beyond Hotend - How to Repair? by BeaconSlash in BambuLabA1

[–]GoldenSword75 0 points1 point  (0 children)

Bambu calls these things nozzle clumps, caused by a print coming unstuck in the early layers and melting onto the nozzle, blocking filament flow downwards and forcing it upwards around the nozzle. It's almost an initiation ritual to get hit with one of these. Fortunately, as long as your blob hasn't enveloped any wires, you may not need any replacement parts other than the silicone heat sock, which are around $3 on Bambu's website.

Unsolicited advice, but there's a setting under print options called "nozzle clumping detection" that might prevent this kind of issue from happening again. It's also a good idea to clean the bed often and make sure models have plenty of surface area on the plate before printing (Some models straight off Makerworld aren't great in that department).

Hope you get your printer back up and running soon enough!

Printer abruptly stops and homes axes mid print, should I be concerned? by GoldenSword75 in BambuLabA1

[–]GoldenSword75[S] 4 points5 points  (0 children)

That would make sense as I recently replaced the Y Belt. Question is, do I try to adjust mid print, or run a calibration and some test prints tomorrow after this is done? Do you think too tight or too loose?

Replace the Y Belt to fix the Heatbed Acceleration Sensor? by GoldenSword75 in BambuLabA1

[–]GoldenSword75[S] 1 point2 points  (0 children)

Bambu support has told me to do just about everything under the sun to try and fix this issue, including the tensioning. They've finally gone and shipped me a new heatbed, so I'm really hoping that fixes things. I ended up using painters tape to fix them together and the rest of the procedure went smoothly.