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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-079 — WARN Startup check failed

FANUC SYST-079 (“WARN Startup check failed”): One or more of the pre-startup system checks failed. First check: Look for a previous message that indicates exactly which check failed and take corrective action.

Updated 2026-08-29 · LogrobotLM reference

Description

One or more of the pre-startup system checks failed.

Remedy · Remède

Look for a previous message that indicates exactly which check failed and take corrective action.

Frequently asked · Questions fréquentes

What does FANUC alarm SYST-079 mean?
FANUC SYST-079 (“WARN Startup check failed”): One or more of the pre-startup system checks failed.
How do you troubleshoot FANUC alarm SYST-079?
Look for a previous message that indicates exactly which check failed and take corrective action.

Related codes / Codes liés

SYST-077WARN Entered INTERLOCK modeSYST-078WARN Entered ISOLATE modeSYST-080WARN Fault must be resetSYST-081WARN Not at home position

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 →