FANUC Alarm DNET-022 — WARN Board initialization timeout
FANUC DNET-022 (“WARN Board initialization timeout”): The board initialization routine has timed out. First check: Turn the controller off.
Updated 2026-08-29 · LogrobotLM reference
Description
The board initialization routine has timed out.
Remedy · Remède
Turn the controller off. Make sure the motherboard is correctly seated on the back plane. Cold start the controller. If the problem persists, document the events that led to the error and call your FANUC Robotics technical representative.
Frequently asked · Questions fréquentes
- What does FANUC alarm DNET-022 mean?
- FANUC DNET-022 (“WARN Board initialization timeout”): The board initialization routine has timed out.
- How do you troubleshoot FANUC alarm DNET-022?
- Turn the controller off. Make sure the motherboard is correctly seated on the back plane. Cold start the controller. If the problem persists, document the events that led to the error and call your FANUC Robotics technical representative.
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 →