stepper_e_err
Moderate
Anycubic · FDM 3D Printers
Extruder Stepper Motor Driver Error
Quick Answer
Error code STEPPER_E_ERR on your Anycubic FDM 3D Printers means: Extruder Stepper Motor Driver Error. 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 extruder motor cable connector on the mainboard
2
Manually try to turn the extruder gear by hand (with the printer off) to feel for mechanical jams
3
Remove the filament and check the extruder gear area for clogged material
4
Measure extruder motor winding resistance (expect approximately 2-4 ohms per coil pair)
5
If using Klipper, check the TMC driver status with DUMP_TMC STEPPER=extruder
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 extruder stepper motor
Extruder gear set
Replacement mainboard (if driver failed)
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