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FANUC Alarm PRIO-320 — CC-LK System error

Manufacturer wording — CC-LK System error(ID=%x)(%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PRIO-320 (“CC-LK System error”): An internal system error occurred. First check: Contact FANUC's service site.

Updated 2026-09-17 · LogrobotLM reference

Description

An internal system error occurred.

Remedy

Contact FANUC's service site. The ID number in the brackets is necessary to track the problems.

Related codes

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. How this reference is built →