FANUC Alarm PRIO-323 — CC-LK CRC error
Manufacturer wording — CC-LK CRC error(%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC PRIO-323 (“CC-LK CRC error”): A CRC error was detected. First check: Confirm the connection of CC-Link cable and terminal registers, and countermeasures to noise.
Updated 2026-09-17 · LogrobotLM reference
Description
A CRC error was detected.
Remedy
Confirm the connection of CC-Link cable and terminal registers, and countermeasures to noise. Set the Baud rate to match the Master station's baud rate.
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 →