The touch screen displays error code 1211.
Filament runout prompt during printing (filament break / material detection board fails to detect filament)

Check the touch screen for any filament runout prompts.
If the CANVAS does not detect any filament, the filament contained in the PTFE tube (marked in the picture below,Approximately 600mm) can be extruded into the chute excess. The touch screen displays filament runout prompt.

If the touch screen displays the prompt, it indicates that the filament is not loaded through the CANVAS and you need to re-load the filament.
If the touch screen does not display any prompt, check the indicator of the CANVAS and make sure the filament are installed normally.
