FANUC Alarm LANG-100 — WARN Device error

FANUC LANG-100 (“WARN Device error”): Could not access the device. First check: Connect the correct device to the correct port.

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 →