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FANUC Alarm PRIO-001 — WARN Illegal port type code

FANUC PRIO-001 (“WARN Illegal port type code”): The port type code specified is invalid. First check: Use one the port types defined in IOSETUP.KL.

Updated 2026-08-29 · LogrobotLM reference

Description

The port type code specified is invalid. This error code can be returned by several of the Digital I/O-related builtins (e.g., SET_PORT_ASG) when an invalid port type code is supplied.

Remedy · Remède

Use one the port types defined in IOSETUP.KL.

Frequently asked · Questions fréquentes

What does FANUC alarm PRIO-001 mean?
FANUC PRIO-001 (“WARN Illegal port type code”): The port type code specified is invalid. This error code can be returned by several of the Digital I/O-related builtins (e.g., SET_PORT_ASG) when an invalid port type code is supplied.
How do you troubleshoot FANUC alarm PRIO-001?
Use one the port types defined in IOSETUP.KL.

Related codes / Codes liés

PRIO-002WARN Illegal port numberPRIO-003SYST No memory available

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 →