AMS 2 pro won't unread filament spool

Bambu Lab AMS Troubleshooting
1

My AMS 2 pro won’t unread the filament spool on slot 4 after I pull out the filament. If I set another spool it will recognize it just fine, but it won’t ever show as there is no spool in the slot.

I tried shoot down the printer with the option of reading the spools after start up, re-read the slot and even re-arrange the AMS with my AMS1 and nothing works to show this slot as empty.

Any Ideas?

BTW, I need this so I can use the drying function of the AMS 2 pro

2

Sounds like the filament sensor might be stuck so it always reads as filament is loaded.

This is a picture of the gen 1 filament sensor. I assume it is similar to the AMS 2

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Here is the wiki for getting to the first stage feeder in the AMS 2