e11
Moderate
FlashForge · FDM 3D Printers
Nozzle Clog Detected - Extrusion Flow Anomaly
Quick Answer
Error code E11 on your FlashForge FDM 3D Printers means: Nozzle Clog Detected - Extrusion Flow Anomaly. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Heat the nozzle to the material printing temperature and attempt to manually push filament through using the touchscreen controls
2
Perform a cold pull: heat to 250C, push cleaning filament in, cool to 90C, and pull sharply to extract debris
3
If the cold pull does not clear the clog, use a 0.3mm or 0.4mm cleaning needle while the nozzle is hot
4
Check the hotend fan to ensure it is cooling the heat break properly to prevent heat creep
5
Replace the nozzle if cleaning attempts fail
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Replacement nozzle (FlashForge OEM, 0.4mm)
Cleaning filament (nylon-based)
Nozzle cleaning needle set (0.2-0.5mm)
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