LogrobotLM

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FANUC Alarm HOST-206 — WARN SM: Bad Port Number

FANUC HOST-206 (“WARN SM: Bad Port Number”): The system variable $server_port in the Client tag or the host tag was invalid. First check: Set the $hosts_cfg[n].$server_port sysvar for the server tag or $hostc_cfg[n].$server_port for the client to a valid number

Updated 2026-09-17 · LogrobotLM reference

Description

The system variable $server_port in the Client tag or the host tag was invalid.

Remedy

Set the $hosts_cfg[n].$server_port sysvar for the server tag or $hostc_cfg[n].$server_port for the client to a valid number

Related codes

HOST-204WARN SM: Remote Client Name is invalidHOST-205WARN SM: Tag Already MountedHOST-207WARN SM: Tag is not mountedHOST-208WARN SM: Not Yet Connected

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. How this reference is built →