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FANUC Alarm VARS-040 — WARN Cannot load at CONTROL START 2

FANUC VARS-040 (“WARN Cannot load at CONTROL START 2”): Variables may not be properly created if loaded at this time. First check: Load variables at COLD start or at CONTROLLED START 1 before save image operation.

Updated 2026-08-29 · LogrobotLM reference

Description

Variables may not be properly created if loaded at this time.

Remedy · Remède

Load variables at COLD start or at CONTROLLED START 1 before save image operation.

Frequently asked · Questions fréquentes

What does FANUC alarm VARS-040 mean?
FANUC VARS-040 (“WARN Cannot load at CONTROL START 2”): Variables may not be properly created if loaded at this time.
How do you troubleshoot FANUC alarm VARS-040?
Load variables at COLD start or at CONTROLLED START 1 before save image operation.

Related codes / Codes liés

VARS-038WARN Cannot change CMOS/DRAM typeVARS-039WARN Data set createdVARS-041WARN Invalid Node NumberVARS-042WARN TEMP type invalid for CMOS create

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 →