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ABB Error 39416 — Power drive unit fault

Error

ABB 39416 (“Power drive unit fault”): The main axis drive unit no longer responds to cabinet commands (lock-up or cut-off). Likely part: Power drive unit (Power drive unit).

Updated 2026-10-22 · LogrobotLM reference

What it means

The main axis drive unit no longer responds to cabinet commands (lock-up or cut-off).

What to check

  • Check the cabinet wiring.
  • Restart using the cabinet main switch.
  • Note: Similar to 39415.

Part to check / replace

ABB 39416 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 →