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-138 — WARN Motherboard not installed

FANUC SYST-138 (“WARN Motherboard not installed”): The specified motherboard is not installed. First check: Specify only installed motherboards.

Updated 2026-08-29 · LogrobotLM reference

Description

The specified motherboard is not installed.

Remedy · Remède

Specify only installed motherboards.

Frequently asked · Questions fréquentes

What does FANUC alarm SYST-138 mean?
FANUC SYST-138 (“WARN Motherboard not installed”): The specified motherboard is not installed.
How do you troubleshoot FANUC alarm SYST-138?
Specify only installed motherboards.

Related codes / Codes liés

SYST-136WARN System Time was resetSYST-137WARN Device not foundSYST-139WARN Invalid motherboard requestSYST-140WARN Invalid IRQ specified

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 →