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FANUC Alarm GUID-108 — WARN No data read from AIN port

FANUC GUID-108 (“WARN No data read from AIN port”): No data read from AIN port No data comes from the AIN ports. First check: Check AIN port connection, AIN port module and AIN port setting.

Updated 2026-09-17 · LogrobotLM reference

Description

No data read from AIN port No data comes from the AIN ports.

Remedy

Check AIN port connection, AIN port module and AIN port setting.

Related codes

GUID-106WARN Lead Thru is not loaded.GUID-107WARN Invalid Single Step Mode.GUID-150WARN Analog ports are invalid.GUID-151WARN Unusual force sensor load.

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 →