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 PRIO-125 — SYST SLC2 initialization error

FANUC PRIO-125 (“SYST SLC2 initialization error”): The SLC2 is in an error state at the end of initialization. First check: Check SYSFAIL of the other PCB.

Updated 2026-08-29 · LogrobotLM reference

Description

The SLC2 is in an error state at the end of initialization.

Remedy · Remède

Check SYSFAIL of the other PCB. Also check the main PCB.

Frequently asked · Questions fréquentes

What does FANUC alarm PRIO-125 mean?
FANUC PRIO-125 (“SYST SLC2 initialization error”): The SLC2 is in an error state at the end of initialization.
How do you troubleshoot FANUC alarm PRIO-125?
Check SYSFAIL of the other PCB. Also check the main PCB.

Related codes / Codes liés

PRIO-119WARN Too many DIGITAL I/O portsPRIO-121WARN Stop PMC programPRIO-126WARN No PMC programPRIO-127WARN PMC file load error

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 →