LogrobotLM

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 CALM-038 — Invalid $MNUTOOLNUM.

FANUC CALM-038 (“Invalid $MNUTOOLNUM.”): $MNUTOOLNUM is invalid. First check: Calmate reset $MNUTOOLNUM=1.

Updated 2026-08-29 · LogrobotLM reference

Description

$MNUTOOLNUM is invalid.

Remedy · Remède

Calmate reset $MNUTOOLNUM=1.

Frequently asked · Questions fréquentes

What does FANUC alarm CALM-038 mean?
FANUC CALM-038 (“Invalid $MNUTOOLNUM.”): $MNUTOOLNUM is invalid.
How do you troubleshoot FANUC alarm CALM-038?
Calmate reset $MNUTOOLNUM=1.

Related codes / Codes liés

CALM-036ABORT Invalid data restore indexCALM-037Orientation not calculated

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 →