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 TPIF-041WARN MNUTOOLNUM number is invalid

FANUC TPIF-041 (“WARN MNUTOOLNUM number is invalid”): Specified MNUTOOLNUM number is invalid First check: Check system variable $MNUTOOLNUM

Updated 2026-08-29 · LogrobotLM reference

Description

Specified MNUTOOLNUM number is invalid

Remedy · Remède

Check system variable $MNUTOOLNUM

Frequently asked · Questions fréquentes

What does FANUC alarm TPIF-041 mean?
FANUC TPIF-041 (“WARN MNUTOOLNUM number is invalid”): Specified MNUTOOLNUM number is invalid
How do you troubleshoot FANUC alarm TPIF-041?
Check system variable $MNUTOOLNUM

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 →