LogrobotLM

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FANUC Alarm HOST-215 — WARN SM: Connection is in use

FANUC HOST-215 (“WARN SM: Connection is in use”): The requested tag is in use. First check: Stop using the remote tag.

Updated 2026-09-17 · LogrobotLM reference

Description

The requested tag is in use.

Remedy

Stop using the remote tag. If necessary close any open file to the tag and disconnect the tag by using MSG_DISCO.

Related codes

HOST-213WARN SM: Read Direction shut down by PeerHOST-214WARN SM: Connection is PendingHOST-216WARN SM: Invalid SocketHOST-217WARN SM: Socket Error

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 →