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FANUC Alarm HOST-109 — WARN Host name not found

FANUC HOST-109 (“WARN Host name not found”): Host Name needs to be set. First check: Set Host Name and Internet Address in the Host Comm TCP/IP Protocol Setup Menu.

Updated 2026-08-29 · LogrobotLM reference

Description

Host Name needs to be set.

Remedy · Remède

Set Host Name and Internet Address in the Host Comm TCP/IP Protocol Setup Menu.

Frequently asked · Questions fréquentes

What does FANUC alarm HOST-109 mean?
FANUC HOST-109 (“WARN Host name not found”): Host Name needs to be set.
How do you troubleshoot FANUC alarm HOST-109?
Set Host Name and Internet Address in the Host Comm TCP/IP Protocol Setup Menu.

Related codes / Codes liés

HOST-107WARN $SERVENT entry not foundHOST-108WARN Internet address not foundHOST-110WARN Node not foundHOST-111WARN Cycle power to use Ethernet

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 →