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ABB Error 33301 — Axis computer fault

Error

ABB 33301 (“Axis computer fault”): Hardware diagnostic fault detected on the axis computer board. Likely part: Axis computer (Axis computer).

Updated 2026-10-22 · LogrobotLM reference

What it means

Hardware diagnostic fault detected on the axis computer board.

What to check

  • Replace the robot control board.
  • Note: Similar to the logic failure of a drive axis board.

Part to check / replace

ABB 33301 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 →