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FANUC Alarm DNET-018 — WARN Memory test failed

FANUC DNET-018 (“WARN Memory test failed”): The specified board has failed the initial memory test. First check: Cold start the system.

Updated 2026-08-29 · LogrobotLM reference

Description

The specified board has failed the initial memory test.

Remedy · Remède

Cold start the system. If the problem persists, INIT start and reload the DeviceNet

Frequently asked · Questions fréquentes

What does FANUC alarm DNET-018 mean?
FANUC DNET-018 (“WARN Memory test failed”): The specified board has failed the initial memory test.
How do you troubleshoot FANUC alarm DNET-018?
Cold start the system. If the problem persists, INIT start and reload the DeviceNet

Related codes / Codes liés

DNET-016ERR_SYS_C System failedDNET-017WARN Board not foundDNET-019WARN Code file open failedDNET-020WARN Code file read failed

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 →