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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 FLPY-100 — WARN Directory read error

FANUC FLPY-100 (“WARN Directory read error”): The directory information is corrupted and unreadable. First check: Try another disk or reformat the disk.

Updated 2026-08-29 · LogrobotLM reference

Description

The directory information is corrupted and unreadable.

Remedy · Remède

Try another disk or reformat the disk.

Frequently asked · Questions fréquentes

What does FANUC alarm FLPY-100 mean?
FANUC FLPY-100 (“WARN Directory read error”): The directory information is corrupted and unreadable.
How do you troubleshoot FANUC alarm FLPY-100?
Try another disk or reformat the disk.

Related codes / Codes liés

FLPY-009WARN Communications errorFLPY-015WARN Write protection violationFLPY-101WARN Block check errorFLPY-103WARN Seek error

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 →