LogrobotLM

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FANUC Alarm DNET-133 — WARN I/O Size mismatch

FANUC DNET-133 (“WARN I/O Size mismatch”): This indicates that there is a user device definition on the system that matches the one supplied using text-based definitions except for the I/O size. First check: This error is for display only.

Updated 2026-09-17 · LogrobotLM reference

Description

This indicates that there is a user device definition on the system that matches the one supplied using text-based definitions except for the I/O size. A match is indicated by name, vendor id, device type, product code and mode of operation.

Remedy

This error is for display only. No action is required.

Related codes

DNET-131WARN Invalid board numberDNET-132WARN Invalid MAC IDDNET-134WARN Mode mismatchDNET-135WARN Analog size mismatch

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 →