Filament sensor issue?

I am having issues with my printer not loading the filament. The error message was “Please remove the external filament from the extruder. If an AMS is to be used later, please connect the PTFE tube to the coupler and click the “retry” button. [07FF 8003 175352]”

I checked and removed my AMS, no clogs there. I removed and replaced the hot end. I also ran filament through the extruder, and it came out on the other side with no issues. I am trying to get it to load filament from a spool off the back just to get it to load. I even blew out the entire thing with compressed air.

I think it’s an issue with the extruder, and it not sensing the filament. When I hit the load button, the gear isn’t turning, and it’s not doing anything, and it keeps telling me the same thing, retry.

I don’t want to replace the extruder unless I know that’s it. I can’t find anything online with someone who has the same issue. What can it be?

I’ve seen posts from people who accidentally severed the ribbon cable that wraps around the extruder when trying to use a tool to manipulate the plastic ring holding in the PTFE tube… this ribbon cable is connected to the toolhead board from the filament runout sensor on the extruder… check the cable seating and if the cable is intact?

I’ll check that. When I looked at a video on how to install a new extruder I noticed my extruder ribbon looked a little different than the one in the video. I’ll check that.

I am having the same issue. My X-1 C is three weeks old. I disconnected and unplugged the AMS and still displays the same message, so I don’t think it is the AMS. I removed the Boden tube from the Extruder, which all looks clear.
Is there a filament switch in the Extruder that could have gotten stuck?
Does anyone have a suggestion?

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I am getting this same message. But I’m trying to print from the AMS. I can print without any problems with a spool on the back and not using the AMS, but when I try to print with the AMS I get this message. I’ve checked every PTFE tube and there is NO broken filament blocking any pathway.

my issue ended up not being a filament issue at all but Bambu support was amazing.

Same issue. AMS has been connected all along and I’ve never used external. I did remove and reconnect the PTFE coupler but had a successful print after that.

What ended up being the issue? Im having the same problem.

I’m having the same problem too. What ended up being the solution? I’ve ordered a new extruder, hoping replacing the holl sensor will fix it? It’s even worse with the ams on there!!

Just solved this on mine, the Bowden tube connector at the back loosened on the printer side, reseating it fixed it for me

I’ve had the same issue multiple times any solution I hate this issue!

So is there a solution to this, brand new X-1 and this just happened?

It would be nice for OP to share the solution he got from bambu, i have te exact same problem.

Really frustrated that i can’t print, as my business plans are on a hold now.

I made a ticket but since it’s weekend is shouldn’t expect to het answer before tueseday.

So if this could be the same solution for me, it would be of great help

This just started happening to me as well and no matter what I can’t get passed the error. I’ve cleared every tube and checked the hub, all looks good. The machine’s error is telling me the filament tube is blocked (it isn’t) and the response code in Studio is that I need to use the AMS (I am).

Anyone have a solution for this problem

Welcome to the forum.

Normally to resolve this issue you need to take the extruder a part and clear what it tripping the sensor.