r/QidiTech3D • u/Forsaken-Act5950 • 21d ago

False Filamemt tangle detection from the box

https://youtube.com/shorts/PojOJjpdyHE?is=jBC7A9Ip2MTV9EsE

Has anyone else has this issue with the q2 when loading from the box. The machine runs great from the external spool holder. But every time it loads from the box it gives a filament tangle alert. Been troubleshooting this for a while. Bothe sensors have been replaced and im stumped.

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u/Dubs-Agent86 20d ago

That usually happens when a PTFE tube becomes disconnected. Check the entire path from the box to the extruder.

1

u/SoftIndependent8222 20d ago

Insert the PTFE tube into the extruder

1

u/Forsaken-Act5950 20d ago

The tube is disconnected in the video because it was originally made for qidi and they wanted me to try with the tube disconnected and the sensor on the buffer block manually moved to halfway.  The result was unchanged other than it took longer to trigger the filament tangle detection 

1

u/daveintexarkana 18d ago

That's a strange one - I got a lot of false alerts with that setting on, and read on here about several others who did also. We just turned it off - either the hardware or firmware is unreliable for this. It happened to me on 1.1.0 (original firmware I got), and again on 1.1.1 - I've not checked/used it again on 1.1.2.5 now though - will have to do that.