FANUC Alarm DNET-025 — WARN No device assigned for Bd/MAC
FANUC DNET-025 (“WARN No device assigned for Bd/MAC”): A data mismatch has occurred such that the system cannot find a device assigned for the specified board number and MAC Id. First check: Turn the controller off and cold start the controller.
Updated 2026-09-17 · LogrobotLM reference
Description
A data mismatch has occurred such that the system cannot find a device assigned for the specified board number and MAC Id.
Remedy
Turn the controller off and cold start the controller. If the problem persists, delete the board from the Board List screen, reconfigure the board, and re-add devices to the Device List. Cycle power. Also, check the device MAC Id configurations.
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 →