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 2026-09-17 · LogrobotLM reference
Description
There is no space left in the DeviceNet I/O buffer.
Remedy
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
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 →