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FANUC Alarm PRIO-333 — CC-LK comm task failed

FANUC PRIO-333 (“CC-LK comm task failed”): An internal system error has occurred. First check: Contact a FANUC service representative.

Updated 2026-08-29 · LogrobotLM reference

Description

An internal system error has occurred.

Remedy · Remède

Contact a FANUC service representative.

Frequently asked · Questions fréquentes

What does FANUC alarm PRIO-333 mean?
FANUC PRIO-333 (“CC-LK comm task failed”): An internal system error has occurred.
How do you troubleshoot FANUC alarm PRIO-333?
Contact a FANUC service representative.

Related codes / Codes liés

PRIO-331CC-LK Reg data invalid(%d)PRIO-332CC-LK no comm. to master(%d)PRIO-334CC-LK too many boards foundPRIO-335CC-LK different board types

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 →