LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free →

ABB Error 111959 — Not valid work object data

Error

ABB 111959 (“Not valid work object data”): “Not valid work object data” is an ABB IRC5 event of major severity.

Updated 2026-10-23 · LogrobotLM reference

What it means

“Not valid work object data” is an ABB IRC5 event of major severity.

Related codes

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 →