LogrobotLM

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FANUC Alarm PRIO-321 — CC-LK Board not installed

FANUC PRIO-321 (“CC-LK Board not installed”): No CC-Link Remote Device Station PCB is installed. First check: Install the CC-Link Remote Device Station PCB.

Updated 2026-08-29 · LogrobotLM reference

Description

No CC-Link Remote Device Station PCB is installed.

Remedy · Remède

Install the CC-Link Remote Device Station PCB.

Frequently asked · Questions fréquentes

What does FANUC alarm PRIO-321 mean?
FANUC PRIO-321 (“CC-LK Board not installed”): No CC-Link Remote Device Station PCB is installed.
How do you troubleshoot FANUC alarm PRIO-321?
Install the CC-Link Remote Device Station PCB.

Related codes / Codes liés

PRIO-294FL-net Multiple PCBs detectedPRIO-320CC-LK System error(ID=%x)(%d)PRIO-322CC-LK St.No out of range(%d)PRIO-323CC-LK CRC error(%d)

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 →