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FANUC Alarm DNET-054 — WARN All space in shared RAM used

FANUC DNET-054 (“WARN All space in shared RAM used”): There is no space left in the DeviceNet I/O buffer. First check: Contact FANUC Robotics to report the problem.

Updated 2026-08-29 · LogrobotLM reference

Description

There is no space left in the DeviceNet I/O buffer.

Remedy · Remède

Contact FANUC Robotics to report the problem. Provide all details of the DeviceNet network, including number and type of devices, baud rates, MAC Ids, and network wiring configuration.

Frequently asked · Questions fréquentes

What does FANUC alarm DNET-054 mean?
FANUC DNET-054 (“WARN All space in shared RAM used”): There is no space left in the DeviceNet I/O buffer.
How do you troubleshoot FANUC alarm DNET-054?
Contact FANUC Robotics to report the problem. Provide all details of the DeviceNet network, including number and type of devices, baud rates, MAC Ids, and network wiring configuration.

Related codes / Codes liés

DNET-052WARN Data line too longDNET-053WARN Line above DEVICE line ignoredDNET-055ERR_STOP_C Board or network error: Bd %dDNET-056WARN Network power lost

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 →