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FANUC Alarm SRVO-304 — C-flex: manual brake enabled

FANUC SRVO-304 (“C-flex: manual brake enabled”): The brake release signal of the C-flex robot was input. First check: Release the brake release signal.

Updated 2026-08-29 · LogrobotLM reference

Description

The brake release signal of the C-flex robot was input.

Remedy · Remède

Release the brake release signal.

Frequently asked · Questions fréquentes

What does FANUC alarm SRVO-304 mean?
FANUC SRVO-304 (“C-flex: manual brake enabled”): The brake release signal of the C-flex robot was input.
How do you troubleshoot FANUC alarm SRVO-304?
Release the brake release signal.

Related codes / Codes liés

SRVO-302SERVO Set Hand broken to ENABLESRVO-303SERVO Set HBK to ENABLE(Rbt:%d)SRVO-305Unit Change(G%d,%s)SRVO-310SERVO ABC Unexpected Motion(G:%d)

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 →