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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 VARS-203 — [%s] (%d) Interrupted file save

FANUC VARS-203 (“[%s] (%d) Interrupted file save”): Power cycle interrupted the variable file backup. First check: The system has attempted to recover.

Updated 2026-08-29 · LogrobotLM reference

Description

Power cycle interrupted the variable file backup.

Remedy · Remède

The system has attempted to recover. Cycle power to avoid problems.

Frequently asked · Questions fréquentes

What does FANUC alarm VARS-203 mean?
FANUC VARS-203 (“[%s] (%d) Interrupted file save”): Power cycle interrupted the variable file backup.
How do you troubleshoot FANUC alarm VARS-203?
The system has attempted to recover. Cycle power to avoid problems.

Related codes / Codes liés

VARS-201[%s]%s 0x%x bad end tagVARS-202[%s]%s (%d) Shadow errorVARS-204Power off incomplete %dVARS-205Shadow memory full

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 →