LogrobotLM

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 → · Le diagnostic IA qui lit la sauvegarde de votre robot, sans rien téléverser.

FANUC Alarm SYST-220 — Sync Time-out error

FANUC SYST-220 (“Sync Time-out error”): The process synchronization condition was not satisfied within the specified time-out limit. First check: 1. Check the program logic (seq_id inconsistency, etc.) 2.

Updated 2026-08-29 · LogrobotLM reference

Description

The process synchronization condition was not satisfied within the specified time-out limit.

Remedy · Remède

1. Check the program logic (seq_id inconsistency, etc.) 2. Use a longer time-out limit (in the sync schedule).

Frequently asked · Questions fréquentes

What does FANUC alarm SYST-220 mean?
FANUC SYST-220 (“Sync Time-out error”): The process synchronization condition was not satisfied within the specified time-out limit.
How do you troubleshoot FANUC alarm SYST-220?
1. Check the program logic (seq_id inconsistency, etc.) 2. Use a longer time-out limit (in the sync schedule).

Related codes / Codes liés

SYST-218DCS Unavailable robot model G:%x HexSYST-219Need to verify DCS param (%d)SYST-221Sync Schedule mismatchSYST-222Image backup succeeded

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 →