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FANUC Alarm DNET-103 — WARN Invalid board baud rate

FANUC DNET-103 (“WARN Invalid board baud rate”): The board’s baud rate is not one of: 125 KB, 250 KB, or 500 KB. First check: Check the Board Detail screen to see if the board's baud rate is one of the above values.

Updated 2026-09-17 · LogrobotLM reference

Description

The board’s baud rate is not one of: 125 KB, 250 KB, or 500 KB.

Remedy

Check the Board Detail screen to see if the board's baud rate is one of the above values. If it is not, change the baud rate to a valid value and press RESET on the teach pendant. If the baud rate appears valid, cold start the controller. If the problem persists, document the events that led to the error and call your FANUC Robotics technical representative.

Related codes

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 →