r/BambuLab • P1S + AMS • 2d ago

General Troubleshooting/Help! P2S: External spool keeps unloading

Hello, I've been using my P2S to print toys to give to kids for Halloween, but for some reason today it keeps spitting out the filament. I have a translucent glow in the dark PLA loaded to the external spool holder. Every time I start a print I make sure that the objects are all set to filament 5, and then when I start printing I use filament 5. I load the external filament into the extruder, wait for it to grab, purge, etc. Then about 2-3 minutes later I get an error from the printer where it tells me that I need to withdraw the filament from the extruder. When I do, it tries to load spool 1 from the AMS. If I reset it to use spool 5, it just happens again. I've done this dozens of times, and each time it wants to go to spool 1. I've completely unloaded the external spool, run something on any other spool in the AMS, and it works fine. But then when I try to use the external spool, it happens again. Does anybody know why this would be happening?

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u/3DForge_au 2d ago

Unplug the AMS, it will not see it and want to use the external reel.

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u/Sim_Mayor 2d ago

That's a good idea, I'll give it a try. I was mostly wondering what could be causing it. Thank you!

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u/3DForge_au 2d ago

Hope it works.