FANUC Alarm DNET-020 — WARN Code file read failed
FANUC DNET-020 (“WARN Code file read failed”): The code file required to initialize the board cannot be read. First check: Cold start the system.
Updated 2026-08-29 · LogrobotLM reference
Description
The code file required to initialize the board cannot be read.
Remedy · Remède
Cold start the system. If the problem persists, INIT start and reload the DeviceNet Interface option.
Frequently asked · Questions fréquentes
- What does FANUC alarm DNET-020 mean?
- FANUC DNET-020 (“WARN Code file read failed”): The code file required to initialize the board cannot be read.
- How do you troubleshoot FANUC alarm DNET-020?
- Cold start the system. If the problem persists, INIT start and reload the DeviceNet Interface option.
Related codes / Codes liés
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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →