LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free →

FANUC Alarm DNET-002 — ERR_STOP_C No application device file

FANUC DNET-002 (“ERR_STOP_C No application device file”): The application device definition file is missing from the system. First check: INIT start and reload the DeviceNet Interface option.

Updated 2026-09-17 · LogrobotLM reference

Description

The application device definition file is missing from the system.

Remedy

INIT start and reload the DeviceNet Interface option. If the error still exists, document the events that led to the error and call your FANUC Robotics technical representative.

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 →