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FANUC Alarm PRIO-009 — WARN number of ports invalid

FANUC PRIO-009 (“WARN number of ports invalid”): The number of ports in a SET_PORT_ASG call is invalid. First check: Correct the number of ports, so that it is within the valid range.

Updated 2026-09-17 · LogrobotLM reference

Description

The number of ports in a SET_PORT_ASG call is invalid. This must be in the range of 1 128 for digital port types (e.g., DIN), 1-16 for groups, and 1 for analog port types.

Remedy

Correct the number of ports, so that it is within the valid range.

Related codes

PRIO-007WARN No match in SET_PORT_ASG de-assignPRIO-008WARN physical ports not foundPRIO-010WARN bad physical port numberPRIO-011WARN Assignment overlaps existing one

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 →