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 DMER-021 — STOPL Not enough device memory free

FANUC DMER-021 (“STOPL Not enough device memory free”): The device specified in the Data Monitor schedule does not have enough file space available. First check: Use a memory card or floppy disk with more memory available or specify a smaller file_size in the Data Monitor schedule.

Updated 2026-08-29 · LogrobotLM reference

Description

The device specified in the Data Monitor schedule does not have enough file space available.

Remedy · Remède

Use a memory card or floppy disk with more memory available or specify a smaller file_size in the Data Monitor schedule.

Frequently asked · Questions fréquentes

What does FANUC alarm DMER-021 mean?
FANUC DMER-021 (“STOPL Not enough device memory free”): The device specified in the Data Monitor schedule does not have enough file space available.
How do you troubleshoot FANUC alarm DMER-021?
Use a memory card or floppy disk with more memory available or specify a smaller file_size in the Data Monitor schedule.

Related codes / Codes liés

DMER-019STOPL Data cannot be savedDMER-020STOPL Record buffer limitDMER-022Invalid file sizeDMER-023File is incomplete

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 →