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ABB Error 34314 — Drive Unit / node fault

Error

ABB 34314 (“Drive Unit / node fault”): The Drive Unit does not support the node number configured for the joint. Likely part: Drive Unit / Nœud (Drive Unit / node).

Updated 2026-10-22 · LogrobotLM reference

What it means

The Drive Unit does not support the node number configured for the joint.

What to check

  • Check the node number in the configuration and verify that the installed Drive Unit accepts this node.
  • Note: Drive topology error; to be kept as an indicator of a mismatch between hardware and configuration.

Part to check / replace

ABB 34314 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

34100Drive system fault34200Axis Computer / Drive Units fault34201Drive Unit 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 →