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FANUC Alarm HOST-003 — WARN File does not exist

FANUC HOST-003 (“WARN File does not exist”): The file you are trying to open or copy does not exist on this device. First check: Open or copy a file that exists on the device.

Updated 2026-09-17 · LogrobotLM reference

Description

The file you are trying to open or copy does not exist on this device.

Remedy

Open or copy a file that exists on the device.

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 →