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 SVGN-099Invalid inform signal(Robot).

FANUC SVGN-099 (“Invalid inform signal(Robot).”): The Digital Output assigned for the notification of excessive Robot Tip Wear (amount) is invalid. First check: Check the present setting of the Inform Signal for the Maximum Wear Check (robot) found on the Tip Wear Detection screen (within the Servo Gun SETUP screen).

Updated 2026-08-29 · LogrobotLM reference

Description

The Digital Output assigned for the notification of excessive Robot Tip Wear (amount) is invalid.

Remedy · Remède

Check the present setting of the Inform Signal for the Maximum Wear Check (robot) found on the Tip Wear Detection screen (within the Servo Gun SETUP screen). Change the DO number to one that is configured and unused. Check the Digital Output list (I/O-Type-DIGITAL-OUTPUTS) to find an available DO point to use.

Frequently asked · Questions fréquentes

What does FANUC alarm SVGN-099 mean?
FANUC SVGN-099 (“Invalid inform signal(Robot).”): The Digital Output assigned for the notification of excessive Robot Tip Wear (amount) is invalid.
How do you troubleshoot FANUC alarm SVGN-099?
Check the present setting of the Inform Signal for the Maximum Wear Check (robot) found on the Tip Wear Detection screen (within the Servo Gun SETUP screen). Change the DO number to one that is configured and unused. Check the Digital Output list (I/O-Type-DIGITAL-OUTPUTS) to find an available DO point to use.

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 →