LogrobotLM

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FANUC Alarm HOST-141 — WARN Protocol Start/Stop error

FANUC HOST-141 (“WARN Protocol Start/Stop error”): The Host Comm Protocol could not be started (Mounted) or stopped (dismounted) on the First check: Either use another Comm Tag or Stop and Undefine the selected Comm Tag under Menus-Setup-HostComm-Show

Updated 2026-08-29 · LogrobotLM reference

Description

The Host Comm Protocol could not be started (Mounted) or stopped (dismounted) on the

Remedy · Remède

Either use another Comm Tag or Stop and Undefine the selected Comm Tag under Menus-Setup-HostComm-Show

Frequently asked · Questions fréquentes

What does FANUC alarm HOST-141 mean?
FANUC HOST-141 (“WARN Protocol Start/Stop error”): The Host Comm Protocol could not be started (Mounted) or stopped (dismounted) on the
How do you troubleshoot FANUC alarm HOST-141?
Either use another Comm Tag or Stop and Undefine the selected Comm Tag under Menus-Setup-HostComm-Show

Related codes / Codes liés

HOST-139WARN Invalid functionHOST-140WARN Device offlineHOST-142WARN Connection errorHOST-143WARN Comm port cannot be closed

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 →