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 HOST-308 — Add CNC to be connected

FANUC HOST-308 (“Add CNC to be connected”): The CNC number is greater than the maximum number allowed. First check: Control Start and set the maximum number of connected CNCs allowed.

Updated 2026-08-29 · LogrobotLM reference

Description

The CNC number is greater than the maximum number allowed.

Remedy · Remède

Control Start and set the maximum number of connected CNCs allowed.

Frequently asked · Questions fréquentes

What does FANUC alarm HOST-308 mean?
FANUC HOST-308 (“Add CNC to be connected”): The CNC number is greater than the maximum number allowed.
How do you troubleshoot FANUC alarm HOST-308?
Control Start and set the maximum number of connected CNCs allowed.

Related codes / Codes liés

HOST-306Input I/O number for CNC No.HOST-307CNC No. is duplicatedHOST-309Please set CNC No.%dHOST-310TP disable

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 →