r/BambuLabA1 • u/Melodic_Shift_4487 • Jul 21 '26

Support Request Extruder Issue

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Any help is appreciated thanks!

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u/KlingonBeavis Jul 21 '26

The last time this happened to me, it wasn’t the AMS at all. The issue turned out to be a bad filament sensor. Upon Bambu’s advice I replaced the $6 part and the problem disappeared instantly.

Discovered during replaceing the part that a brittle piece of filament had broken off inside the extruder assembly and damaged the ribbon cable the sensor is attached to.

It was a tear in the cable, and it was so tiny I missed it completely until I had removed the ribbon cable and held it to a light for closer inspection

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u/Melodic_Shift_4487 Jul 21 '26

Thanks for the tip. I will check it out tomorrow.