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FANUC Alarm HOST-181 — WARN NETMEM: time out

FANUC HOST-181 (“WARN NETMEM: time out”): Timeout occured at getting memory access right. First check: Network may overload if this error occurs frequently.

Updated 2026-08-29 · LogrobotLM reference

Description

Timeout occured at getting memory access right.

Remedy · Remède

Network may overload if this error occurs frequently.

Frequently asked · Questions fréquentes

What does FANUC alarm HOST-181 mean?
FANUC HOST-181 (“WARN NETMEM: time out”): Timeout occured at getting memory access right.
How do you troubleshoot FANUC alarm HOST-181?
Network may overload if this error occurs frequently.

Related codes / Codes liés

HOST-179IP Address mis-configurationHOST-180WARN NETMEM: buffer is not createdHOST-182WARN NETMEM: BD errorHOST-183WARN NETMEM: buffer is auto ack mode

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 →