FANUC Alarm TG-008 — WARN Could not trigger I/O
FANUC TG-008 (“WARN Could not trigger I/O”): An I/O port was not triggered when it was supposed to. First check: You must adjust your path so that it does not try to fire so many I/O events within a such a short time.
Updated 2026-09-17 · LogrobotLM reference
Description
An I/O port was not triggered when it was supposed to. This is usually caused by too many I/O events being set up to fire within too short a time frame.
Remedy
You must adjust your path so that it does not try to fire so many I/O events within a such a short time. Start by moving the last few motions before this error occured further apart and/or slowing them down.
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 →