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FANUC Alarm DNET-093 — WARN Error reading vendor ID

FANUC DNET-093 (“WARN Error reading vendor ID”): The scanner board encountered an error while trying to read the device's vendor ID. First check: Check that the device baud rate matches the board baud rate.

Updated 2026-09-17 · LogrobotLM reference

Description

The scanner board encountered an error while trying to read the device's vendor ID.

Remedy

Check that the device baud rate matches the board baud rate. Check also the device's connection to the network.

Related codes

DNET-091WARN Input size errorDNET-092WARN Output size errorDNET-094WARN Error reading device typeDNET-095WARN Error reading product code

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 →