This prompt indicates that the filament may have broken inside the hub outlet, preventing it from being properly fed to the extruder and retracted normally. The CFS light shows a solid red light, prompting the user to troubleshoot the issue.
Filament is stuck inside the hub outlet, causing feeding failure.
The filament inside the hub outlet has broken due to compression or other reasons.
Related connecting parts are damaged or blocked, affecting normal feeding.
Check inside the hub outlet: Observe the transparent part at the bottom of the CFS to confirm if there is any broken or stuck filament, and clear any jammed filament promptly.
Observe the transparent part at the bottom of the CFS hub outlet to see if there is any broken or stuck filament. If so, follow the handling procedure Troubleshooting for CFS hub filament clogged.