AMS 2 Pro filament retracting too much?

Hi there,

I’m having this weird issue with my Ams 2 pro particularly after drying filament.

When loading filament (typically happens on a new, full spool) into slots 2 or 3 (the middle 2 slots), the filament does the typical load and unload motion. Normally, one would expect the filament to unload to a point where it cuts off. However, in my case, the filament retracts all the way until it pops out of the inlet hole. It is very annoying.

I’ve tried replacing the tubes and also cleaning the feeder hub (including reinserting the magnets) but this didn’t solve the issue. Curiously, it does not happen when the ams unit has cooled down so I’m wondering if it’s related.

Anyone had this issue too? Thank you.

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I’m having the same issue with Slot 2. Newer spool and maybe a little warm from drying.

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I am having this problem now, I have had this AMS 2 PRO for less than a month, using a new roll of Bambu filament slot 2 Keeps spitting out the filament, Did anyone find a solution?

could be firmware update twenty five

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Mine was the same situation, I took some canned air and blew out / cooled off the feeder and it worked after that. I doubt this is the way it’s supposed to work though. I wonder if this could be covered under warranty. Do you still have this problem?

no twenty five characters

Same here and same slot. Has anyone found a solution yet?

nope someone could make a ticket

Same for me, slot 2, new dry filament.

Same issue. Looking for a fix