LogrobotLM

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FANUC Alarm SRIO-002 — WARN SERIAL PORT NOT OPEN

FANUC SRIO-002 (“WARN SERIAL PORT NOT OPEN”): Serial port is not opened. First check: Open serial port before using it.

Updated 2026-08-29 · LogrobotLM reference

Description

Serial port is not opened.

Remedy · Remède

Open serial port before using it.

Frequently asked · Questions fréquentes

What does FANUC alarm SRIO-002 mean?
FANUC SRIO-002 (“WARN SERIAL PORT NOT OPEN”): Serial port is not opened.
How do you troubleshoot FANUC alarm SRIO-002?
Open serial port before using it.

Related codes / Codes liés

SRIO-001WARN S. PORT ILLEGAL FUNCTION CODESRIO-003WARN SERIAL PORT ALREADY OPENSRIO-004WARN SERIAL PORT NOT INITIALIZE

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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →