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FANUC Alarm VARS-042 — WARN TEMP type invalid for CMOS create

FANUC VARS-042 (“WARN TEMP type invalid for CMOS create”): The type definition for the variable being created is in temporary DRAM memory. First check: The program with the type definition for the variable you are creating must be loaded at controlled start.

Updated 2026-09-17 · LogrobotLM reference

Description

The type definition for the variable being created is in temporary DRAM memory. This means variable cannot be remembered after power off

Remedy

The program with the type definition for the variable you are creating must be loaded at controlled start. This implies the type definition is image.

Related codes

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. How this reference is built →