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FANUC Alarm DNET-056WARN Network power lost

FANUC DNET-056 (“WARN Network power lost”): Power has been removed from the DeviceNet network. First check: Check the cable connecting the daughter board to the DeviceNet network.

Updated 2026-08-29 · LogrobotLM reference

Description

Power has been removed from the DeviceNet network.

Remedy · Remède

Check the cable connecting the daughter board to the DeviceNet network. Also, check the connection to the power source. Cycle power to the controller.

Frequently asked · Questions fréquentes

What does FANUC alarm DNET-056 mean?
FANUC DNET-056 (“WARN Network power lost”): Power has been removed from the DeviceNet network.
How do you troubleshoot FANUC alarm DNET-056?
Check the cable connecting the daughter board to the DeviceNet network. Also, check the connection to the power source. Cycle power to the controller.

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 →