FANUC Alarm IBSS-475 — PCI board not installed
FANUC IBSS-475 (“PCI board not installed”): System internal error First check: Document the events that led to the error, and call your FANUC or FANUC Robotics technical service representative.
Updated 2026-09-17 · LogrobotLM reference
Description
System internal error
Remedy
Document the events that led to the error, and call your FANUC or FANUC Robotics technical service representative.
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 →