FANUC Alarm HOST-128 — WARN Ethernet hardware not installed
FANUC HOST-128 (“WARN Ethernet hardware not installed”): The Ethernet Board needs to be reinitialized. First check: Install or reseat the Ethernet Board.
Updated 2026-09-17 · LogrobotLM reference
Description
The Ethernet Board needs to be reinitialized.
Remedy
Install or reseat the Ethernet Board.
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 →