PW0018
CRC CHECK ERROR
Fanuc · αi Series Servo Amplifier
What does PW0018 mean?
The CNC detected a CRC check error in the CNC ROM. This indicates data corruption in the CNC's Read-Only Memory, which can prevent the system from booting or operating correctly. A power cycle is required.
Repair Steps
Verified technical data. Last updated: March 2026
Source: Fanuc αi Series Servo Amplifier