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 MARL-020WARN Product number not entered

FANUC MARL-020 (“WARN Product number not entered”): User pressed DONE key without entering the product number in the cycle start menu. First check: This is a warning message.

Updated 2026-08-29 · LogrobotLM reference

Description

User pressed DONE key without entering the product number in the cycle start menu.

Remedy · Remède

This is a warning message. Enter the product number and then press DONE.

Frequently asked · Questions fréquentes

What does FANUC alarm MARL-020 mean?
FANUC MARL-020 (“WARN Product number not entered”): User pressed DONE key without entering the product number in the cycle start menu.
How do you troubleshoot FANUC alarm MARL-020?
This is a warning message. Enter the product number and then press DONE.

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 →