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ABB Error 39410 — Drive unit axis fault

Error

ABB 39410 (“Drive unit axis fault”): Repeated communication errors detected between the axis CPU and the specified drive unit. Likely part: Variateurs d'axes (drive unit axis).

Updated 2026-10-22 · LogrobotLM reference

What it means

Repeated communication errors detected between the axis CPU and the specified drive unit.

What to check

  • Check the cabinet ribbon cables and that there is no electrical noise interference.
  • Note: Interference or loose connector in the drive axis loop.

Part to check / replace

ABB 39410 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

32540Drive unit / firmware fault32541Drive unit / firmware fault39008Drive units 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 →