• Code: 863
• Description: Startup without HD data lead
  Data stored on the hard disk is not read correctly.
• Causes: • A bad sector occurred during operation of the HD

• Code: 864
• Description: HD data CRC error
  During operation of the HD, the HD responded with a CRC error.
• Causes: • Data transfer was abnormal in the data read from the HD.

• Code: 865
• Description: HD access error
  The hard disk detected an error.
• Causes: • Error detected other that the bad sectors error (SC863) or the CRC error (SC864)

• Code: 870
• Description: Address Book Data Error
  Address book data stored on the hard disk was detected as abnormal when it was accessed from either the operation panel or the network.
• Causes: • Software defective • HDD defective

• Code: 871
• Description: FCU Flash ROM Error
  The address book written into the flash ROM mounted on the FCU is detected as defective.
• Causes: • Flash ROM device defective • Replace flash ROM on the MBU

• Code: 880
• Description: MLB Error
  A request for access to the MLB (Media Link Board) was not answered within the specified time.
• Causes: • MLB defective

• Code: 900
• Description: Electronic total counter error
  The value of the total counter has already exceeded 9,999,999
• Causes: • NVRAM defective

• Code: 901
• Description: SC901 Mechanical total count error
  The IO board cannot receive the mechanical total count data.
• Causes: • Mechanical total counter defective