A
stepper_y_err
Moderate
Anycubic · FDM 3D Printers
Y-Axis Stepper Motor Driver Error
Quick Answer
Error code STEPPER_Y_ERR on your Anycubic FDM 3D Printers means: Y-Axis Stepper Motor Driver Error. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. Y motor cable damaged from repeated bed movement and cable routing stress
  2. TMC driver chip thermal shutdown due to high ambient temperature
  3. Y motor bearing failure causing current spikes
  4. Loose Y motor mounting causing vibration-induced connector disconnection
How to Fix It
1
Inspect the Y motor cable along its full length for wear, especially near the cable chain or flex points
2
Check the Y motor mounting screws for tightness
3
Ensure the mainboard has adequate cooling and the fan is operational
4
Swap Y motor with X motor temporarily to determine if the fault follows the motor or stays on the axis
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
Y motor cable harness
Replacement mainboard
Related Error Codes
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