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ABB Error 33151 — CPU / Commande axis fault

Error

ABB 33151 (“CPU / Commande axis fault”): DMA operation failure between the main computer and the cabinet axis computer. Likely part: CPU / Commande d'axes (CPU / Commande axis).

Updated 2026-10-22 · LogrobotLM reference

What it means

DMA operation failure between the main computer and the cabinet axis computer.

What to check

  • Check the logic boards and the cabinet VME backplane.
  • Replace the control board.
  • Note: Will become the axis board underrun faults (50430) on IRC5.

Part to check / replace

ABB 33151 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

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 →