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FANUC Alarm HOST-131 — WARN Wrong state

FANUC HOST-131 (“WARN Wrong state”): The Host Comm system can not execute the requested command in the present operating mode. First check: Stop and Start the Host Comm Tag in the Host Comm Setup Menu to reset the operating mode.

Updated 2026-09-17 · LogrobotLM reference

Description

The Host Comm system can not execute the requested command in the present operating mode.

Remedy

Stop and Start the Host Comm Tag in the Host Comm Setup Menu to reset the operating mode.

Related codes

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 →