FANUC Alarm HOST-245 — Illegal Hostname
FANUC HOST-245 (“Illegal Hostname”): The robot name configured for the TCP/IP interface is illegal. First check: Change the robot Hostname in the Host Comm TCP/IP screen to a legal name.
Updated 2026-08-29 · LogrobotLM reference
Description
The robot name configured for the TCP/IP interface is illegal.
Remedy · Remède
Change the robot Hostname in the Host Comm TCP/IP screen to a legal name. A legal Hostname is a text string of characters drawn from the alphabet (A-Z, a-z), digits (0-9), and minus sign (-). No blank or space characters are permitted as part of a name, nor is the underscore character (_). The first character must be an alpha character. The last character must not be a minus sign.
Frequently asked · Questions fréquentes
- What does FANUC alarm HOST-245 mean?
- FANUC HOST-245 (“Illegal Hostname”): The robot name configured for the TCP/IP interface is illegal.
- How do you troubleshoot FANUC alarm HOST-245?
- Change the robot Hostname in the Host Comm TCP/IP screen to a legal name. A legal Hostname is a text string of characters drawn from the alphabet (A-Z, a-z), digits (0-9), and minus sign (-). No blank or space characters are permitted as part of a name, nor is the underscore character (_). The first character must be…
Related codes / Codes liés
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 →