Err 99.0 Other error (System Error) fault in panasonic drive

Err 99.0 Other error (System Error) fault in panasonic drive means unknown internal system error, watchdog timer, or severe noise causing CPU crash.

Cause: Unknown internal system error, watchdog timer, or severe noise causing CPU crash.

Remedy:

• Cycle power OFF and ON again.
• Check for high electrical noise in the cabinet (add noise filters).
• If error recurs constantly, the CPU board is dead. Replace the servo driver.