FANUC Alarm DNET-057 — WARN Network communications error
FANUC DNET-057 (“WARN Network communications error”): A network communications error has occurred on the network connected to the specified board. First check: Check that the board's baud rate corresponds to that of the devices.
Updated 2026-08-29 · LogrobotLM reference
Description
A network communications error has occurred on the network connected to the specified board.
Remedy · Remède
Check that the board's baud rate corresponds to that of the devices. Check cable connections to both the board and devices. Check that the proper device definitions are selected for the devices on the network and that parameters are correct for user-defined devices. Turn off both the controller and the DeviceNet network power, then cold start the controller.
Frequently asked · Questions fréquentes
- What does FANUC alarm DNET-057 mean?
- FANUC DNET-057 (“WARN Network communications error”): A network communications error has occurred on the network connected to the specified board.
- How do you troubleshoot FANUC alarm DNET-057?
- Check that the board's baud rate corresponds to that of the devices. Check cable connections to both the board and devices. Check that the proper device definitions are selected for the devices on the network and that parameters are correct for user-defined devices. Turn off both the controller and the DeviceNet…
Related codes / Codes liés
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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →