FANUC Alarm OPTN-012 — WARN ID file is missing/corrupt

FANUC OPTN-012 (“WARN ID file is missing/corrupt”): The LICENSE file, license.dat, is missing or corrupted First check: Do a full load from the original distribution media.

Updated 2026-09-17 · LogrobotLM reference

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 →