CRC CHECK ERROR:NC BASIC.
CRC CHECK ERROR:NC BASIC.
Fanuc · αi Series Servo Amplifier
What does CRC CHECK ERROR:NC BASIC. mean?
A CRC error occurred in the CNC BASIC ROM. This indicates data corruption in the Read-Only Memory module containing the CNC BASIC program, which can prevent the CNC from functioning correctly.
Repair Steps
- 1
Install the CNC BASIC ROM in flash memory again.
Verified technical data. Last updated: March 2026
Source: Fanuc αi Series Servo Amplifier