stepper_x_err
Moderate
Anycubic · FDM 3D Printers
X-Axis Stepper Motor Driver Error
Quick Answer
Error code STEPPER_X_ERR on your Anycubic FDM 3D Printers means: X-Axis 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 X motor cable connector at both the motor and mainboard for secure seating
2
Verify mainboard cooling fan is running and the enclosure has adequate airflow
3
Measure X stepper motor winding resistance between coil pairs (expect 1.5-4 ohms depending on motor)
4
If using Marlin, verify the TMC driver current setting in Configuration_adv.h
5
Test by swapping X and Y motor cables temporarily to isolate motor vs driver issue
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 NEMA 17 stepper motor
Replacement mainboard (if onboard driver failed)
40mm cooling fan for mainboard
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