FANUC Alarm DNET-114 — WARN Bus fault error detected
FANUC DNET-114 (“WARN Bus fault error detected”): The board has detected a fault on the DeviceNet network, and cannot communicate with devices. First check: Check that the baud rate of the board matches the baud rate of all devices on the network.
Updated 2026-08-29 · LogrobotLM reference
Description
The board has detected a fault on the DeviceNet network, and cannot communicate with devices.
Remedy · Remède
Check that the baud rate of the board matches the baud rate of all devices on the network. Also, check that power is being supplied to the network. If the problem persists, cycle power to the controller, and then to the network if the problem continues.
Frequently asked · Questions fréquentes
- What does FANUC alarm DNET-114 mean?
- FANUC DNET-114 (“WARN Bus fault error detected”): The board has detected a fault on the DeviceNet network, and cannot communicate with devices.
- How do you troubleshoot FANUC alarm DNET-114?
- Check that the baud rate of the board matches the baud rate of all devices on the network. Also, check that power is being supplied to the network. If the problem persists, cycle power to the controller, and then to the network if the problem continues.
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 →