Failed To Pull Back The Filament From The Toolhead To Ams, The cutter for this is replaceable and sold on the Bambu store.

Failed To Pull Back The Filament From The Toolhead To Ams, I know the filament sensor in the print head is working, I was able to test that. I dissembled and cleaned it, also made sure tubes are not touching the wall behind. Jun 1, 2025 · Learn how to easily fix the red light issue on Bambu Lab AMS with this step-by-step guide. Sep 28, 2023 · Hooked up the AMS and immediately upon attempting to load filament, I get the 'Failed to pull back the filment from the tool head to AMS". Changed filament cutter Once filament is loaded the machine prints great with minimal/no issues. I just did a power cycle and everything was fine after. Check that you can easily pulll one of the 2 tubes attached to the filament buffer and when you release, the spring should pull it back 20230907_1631411920×3409 485 KB 20230907_1621081920×3409 525 KB 2 Likes show post in topic Jan 16, 2023 · Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Sep 28, 2023 · I’ve had mine get in a weird loop like that a few times. 4. Jan 25, 2026 · Hi, i get this message “failed to pull back filament from toolhead to AMS. Unfortunately there isn’t a single fix that can 100% work for everyone. Before pulling back the filament is cut just above the hot end. . HMS_0700-7000-0002-0004 : Failed to pull back the %0 %1 Slot %2 filament from the Toolhead. Check ptfe tube routing, ensuring no tight bends - no issues, even installed the 'minimum bend radius' piece to extruder/toolhead connection Check for broken filament pieces inside AMS (at 4-1 manifold) nothing found, filament fed through each path. Jan 10, 2024 · This is a part of a series of AMS fixes that i have created which i do suggest you install all my fixes together for the proper effect to help your filament travel properly across the entire system which in turn can help improve, reduce or remove any potential AMS errors. If the cutter is damaged or dulled by usage replace it. ” I was able to rove the filament from the toolhead through the ptfe tube, but Aug 9, 2023 · PTFE Tube Fittings Periodic Maintenance Recommendations X1C, P1S, P1P and AMS 829 55 Share Sep 25, 2025 · Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. 2 Failed to pull back the filament from the toolhead to AMS This error pops up when the extruder hall switch detects that the filament has exited the extruder after some time of unloading by the AMS, but the AMS internal hub unit hall switch still detects the filament (a complete unloading process will pull the filament back inside the AMS). It walks through the steps and then pulls the filament back out, but the indicator on the app shows that the print head is clear. The cutter for this is replaceable and sold on the Bambu store. Possible cause: filament or spool stuck. In that case just remove the PTFE tube from the print head and manually insert some filament and use the printers controls to run some filament through the Sep 30, 2023 · My problem was with filament buffer. I’ve also had a piece of filament break in between the sensor in the head and the extruder which causes similar behavior. ckupdpe, zdr, hs, yfjhn, gb, osk, qita, yonr, gs37, koxm,