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ABB Error 32541 — Drive unit / firmware fault

Warning

ABB 32541 (“Drive unit / firmware fault”): Drive unit firmware update complete: "In drive module 1, the firmware update of the drive unit at position 0 is complete." Likely part: Variateur / Micrologiciel (drive unit / firmware).

Updated 2026-10-22 · LogrobotLM reference

What it means

Drive unit firmware update complete: "In drive module 1, the firmware update of the drive unit at position 0 is complete."

What to check

  • Confirm success by reading back the drive unit version.
  • Run a reference cycle again after the update: a firmware change can modify the supervision behavior and make 394xx codes appear or disappear.
  • Note: Closes the sequence opened by 32540. The 32540/32541 pair is the reliable time-stamped record of drive unit interventions.

Part to check / replace

ABB 32541 points to the hardware below — start here before ordering.

Tap a part for every code that points to it — and verify the exact variant for your controller before ordering.

Related codes

32540Drive unit / firmware fault39008Drive units fault39009Drive units fault

Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. How this reference is built →