LogrobotLM

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FANUC Alarm PRIO-006 — WARN bad port number

FANUC PRIO-006 (“WARN bad port number”): The specified port number in an assignment (e.g., DIN[1] = ON) is invalid. First check: Correct the port number so that it is within the valid range.

Updated 2026-09-17 · LogrobotLM reference

Description

The specified port number in an assignment (e.g., DIN[1] = ON) is invalid. The port number must be in the range of 1 - 32767.

Remedy

Correct the port number so that it is within the valid range.

Related codes

PRIO-004WARN Too few ports on modulePRIO-005WARN bad port numberPRIO-007WARN No match in SET_PORT_ASG de-assignPRIO-008WARN physical ports not found

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 →