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FANUC Alarm SRVO-121 — SERVO Excessive acc/dec time(G:%d)

FANUC SRVO-121 (“SERVO Excessive acc/dec time(G:%d)”): Acceleration time is much longer. First check: Contact your FANUC Robotics technical representative.

Updated 2026-08-29 · LogrobotLM reference

Description

Acceleration time is much longer.

Remedy · Remède

Contact your FANUC Robotics technical representative.

Frequently asked · Questions fréquentes

What does FANUC alarm SRVO-121 mean?
FANUC SRVO-121 (“SERVO Excessive acc/dec time(G:%d)”): Acceleration time is much longer.
How do you troubleshoot FANUC alarm SRVO-121?
Contact your FANUC Robotics technical representative.

Related codes / Codes liés

SRVO-116Axis Limit Exceeded (G:%d A:%d)SRVO-117Brake Number ConflictSRVO-122SERVO Bad last ang(internal)(G:%d)SRVO-124Check HardStop if Hit(G:%d A:%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 →