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ABB Error 34200 — Axis Computer / Drive Units fault

Error

ABB 34200 (“Axis Computer / Drive Units fault”): Loss of communication with all the power units of the drive module. Likely part: Axis Computer / Drive Units (Axis Computer / Drive Units).

Updated 2026-10-22 · LogrobotLM reference

What it means

Loss of communication with all the power units of the drive module.

What to check

  • Check all communication cables, the logic power supply of the drive units, the Ethernet links, the 24 V power supplies and the other simultaneous hardware messages.
  • Note: IRC5 family. Typical hardware diagnosis: Axis Computer ↔ Drive Units link or logic power supply.

Part to check / replace

ABB 34200 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 fault34201Drive Unit fault34202Axis Computer / Drive 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 →