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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-305 — Unit Change(G%d,%s)

FANUC SRVO-305 (“Unit Change(G%d,%s)”): The robot model was changed. First check: Turn off and on the controller power supply.

Updated 2026-08-29 · LogrobotLM reference

Description

The robot model was changed.

Remedy · Remède

Turn off and on the controller power supply.

Frequently asked · Questions fréquentes

What does FANUC alarm SRVO-305 mean?
FANUC SRVO-305 (“Unit Change(G%d,%s)”): The robot model was changed.
How do you troubleshoot FANUC alarm SRVO-305?
Turn off and on the controller power supply.

Related codes / Codes liés

SRVO-303SERVO Set HBK to ENABLE(Rbt:%d)SRVO-304C-flex: manual brake enabledSRVO-310SERVO ABC Unexpected Motion(G:%d)SRVO-315MPDT failed(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 →