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FANUC Alarm VARS-059 — Program name syntax is bad

FANUC VARS-059 (“Program name syntax is bad”): The program name syntax is invalid. First check: Make sure you use UNC compatible naming to access a network robot.

Updated 2026-09-17 · LogrobotLM reference

Description

The program name syntax is invalid.

Remedy

Make sure you use UNC compatible naming to access a network robot. For example: ¥robotnameprogram

Related codes

VARS-057Using … for saveVARS-058Remote version is not compatibleVARS-060Variable type is not compatibleVARS-061No more user types available

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 →