• Code: SC981
• Description: NVRAM clear error
• Causes:

• Code: SC990
• Description: Communication error between BICU and IOCSS board
  The BICU board cannot communicate with the IOB.
• Causes: • The connection between the BICU board and the IOB is poor. • BICU board defective • IOB defective

• Code: SC999
• Description: Program version error
  An incorrect type of main software was downloaded.
• Causes: • The main software for another machine was downloaded to this machine.