ABB Error 33311 — Axis computer fault
ErrorABB 33311 (“Axis computer fault”): Current reference feedback loop error (loopback current error) of the axis computer. Likely part: Axis computer (Axis computer).
Updated 2026-10-22 · LogrobotLM reference
What it means
Current reference feedback loop error (loopback current error) of the axis computer.
What to check
- Replace the robot control board.
- Note: Drive acquisition hardware fault.
Part to check / replace
ABB 33311 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
Same hardware involved
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 →