FANUC Alarm SYST-211 — Comm processor Time-out error
FANUC SYST-211 (“Comm processor Time-out error”): The communications processor did not respond within the specified time-out limit. First check: Turn off the controller and then turn it on again.
Updated 2026-08-29 · LogrobotLM reference
Description
The communications processor did not respond within the specified time-out limit.
Remedy · Remède
Turn off the controller and then turn it on again. If the alarm persists document the events that led to the error, and call your FANUC or FANUC Robotics technical representative.
Frequently asked · Questions fréquentes
- What does FANUC alarm SYST-211 mean?
- FANUC SYST-211 (“Comm processor Time-out error”): The communications processor did not respond within the specified time-out limit.
- How do you troubleshoot FANUC alarm SYST-211?
- Turn off the controller and then turn it on again. If the alarm persists document the events that led to the error, and call your FANUC or 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 →