e13
Easy Fix
FlashForge · FDM 3D Printers
Fan Failure - Cooling Fan Not Running or Below Minimum RPM
Quick Answer
Error code E13 on your FlashForge FDM 3D Printers means: Fan Failure - Cooling Fan Not Running or Below Minimum RPM. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Visually check the hotend cooling fan and part cooling fan for spinning during a print
2
Turn off the printer and try spinning each fan by hand to check for bearing smoothness
3
Remove any visible filament strings or debris from the fan blades
4
Verify the fan cable connections on the mainboard
5
Test the fan by connecting it to a known-good 24V source to determine if the fan or the port is faulty
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
Replacement axial fan (40mm or 30mm depending on model)
Replacement blower fan for part cooling
Fan cable extension
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