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FANUC Alarm DNET-012 — WARN Device already online

FANUC DNET-012 (“WARN Device already online”): The specified device is already on-line. First check: Take the device off-line before attempting the operation.

Updated 2026-09-17 · LogrobotLM reference

Description

The specified device is already on-line.

Remedy

Take the device off-line before attempting the operation.

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 →