LogrobotLM

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 SRVO-408 — DCS SSO Ext Emergency Stop %x,%x

FANUC SRVO-408 (“DCS SSO Ext Emergency Stop %x,%x”): SSO[3:C_EXEMG] is OFF First check: Check Safe I/O connect setting.

Updated 2026-08-29 · LogrobotLM reference

Description

SSO[3:C_EXEMG] is OFF

Remedy · Remède

Check Safe I/O connect setting.

Frequently asked · Questions fréquentes

What does FANUC alarm SRVO-408 mean?
FANUC SRVO-408 (“DCS SSO Ext Emergency Stop %x,%x”): SSO[3:C_EXEMG] is OFF
How do you troubleshoot FANUC alarm SRVO-408?
Check Safe I/O connect setting.

Related codes / Codes liés

SRVO-406DCS SSO SVOFF input %x,%xSRVO-407DCS SSO Fence Open %x,%xSRVO-409DCS SSO Servo Disconnect %x,%xSRVO-410DCS SSO NTED input %x,%x

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 →