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FANUC Alarm HOST-217WARN SM: Socket Error

FANUC HOST-217 (“WARN SM: Socket Error”): A socket error was returned by the tcpip library . First check: Retry the operation.

Updated 2026-08-29 · LogrobotLM reference

Description

A socket error was returned by the tcpip library .

Remedy · Remède

Retry the operation. All sockets may be use. Free some resources by closing some connections to telnet, ftp or socket mesg If that is not feasible, the same error may occur again.

Frequently asked · Questions fréquentes

What does FANUC alarm HOST-217 mean?
FANUC HOST-217 (“WARN SM: Socket Error”): A socket error was returned by the tcpip library .
How do you troubleshoot FANUC alarm HOST-217?
Retry the operation. All sockets may be use. Free some resources by closing some connections to telnet, ftp or socket mesg If that is not feasible, the same error may occur again.

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 →