• Code: 990
• Description: Software error 1
  The software performs an unexpected function and the program cannot continue.
• Causes: • Software defective, re-boot

• Code: 991
• Description: Software error 2
  The software performs an unexpected function. However, unlike SC990, recovery processing allows the program to continue.
• Causes: • Software defective, re-boot

• Code: 992
• Description: Undefined error
  Defective software program
• Causes: • An error undetectable by any other SC code occurred

• Code: 998
• Description: Software Error 4: Application cannot start
  Register processing does not operate for an application within 60 s after the machine power is turned on. No applications start correctly, and all end abnormally.
• Causes: • Software bug • A RAM or DIMM option necessary for the application is not installed or not installed correctly.