filament_break
Easy Fix
Anycubic · FDM 3D Printers
Filament Runout Sensor Triggered - No Filament Detected
Quick Answer
Error code FILAMENT_BREAK on your Anycubic FDM 3D Printers means: Filament Runout Sensor Triggered - No Filament Detected. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Check the filament spool for remaining material
2
If filament broke, remove the remnant from the PTFE tube and extruder
3
Cut a fresh tip on the filament and reload through the sensor
4
Clean the filament sensor mechanism with compressed air
5
Test the sensor by manually feeding and removing filament while monitoring the printer LCD
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
Parts You May Need
New filament spool
Replacement filament runout sensor
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