LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free → · Le diagnostic IA qui lit la sauvegarde de votre robot, sans rien téléverser.

FANUC Alarm MOTN-186Protect of BCST BF to be sent

FANUC MOTN-186 (“Protect of BCST BF to be sent”): Failed to send broadcast from master. First check: Confirm communication status and retry the operation.

Updated 2026-08-29 · LogrobotLM reference

Description

Failed to send broadcast from master.

Remedy · Remède

Confirm communication status and retry the operation.

Frequently asked · Questions fréquentes

What does FANUC alarm MOTN-186 mean?
FANUC MOTN-186 (“Protect of BCST BF to be sent”): Failed to send broadcast from master.
How do you troubleshoot FANUC alarm MOTN-186?
Confirm communication status and retry the operation.

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 →