FANUC Alarm HRTL-049 — WARN Can't assign requested address

FANUC HRTL-049 (“WARN Can't assign requested address”): An error occurred in the Ethernet networking software (TCP/IP). First check: Consult your network administrator or call the FANUC Robotics Service Hotline for assistance.

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 →