LogrobotLM

LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free →

ABB Error 33106 — Drive units fault

Error

ABB 33106 (“Drive units fault”): Excessive voltage offset on the specified axis drive unit (servo drive). Likely part: Drive units.

Updated 2026-10-22 · LogrobotLM reference

What it means

Excessive voltage offset on the specified axis drive unit (servo drive).

What to check

  • Replace the faulty axis drive or check the current calibration.
  • Note: Equivalent to the current drive offset errors on IRC5.

Part to check / replace

ABB 33106 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

31108Serial link RS232 fault31114CPU main fault31115Link console fault

Same hardware involved

591Drive units33108Drive units39008Drive units39009Drive units

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 →