• Code: 861
• Description: Startup without HD detection at power key on
  The hard disk connection is not detected.
• Causes: • Cable between HDC and HD loose or defective • HD power connector loose or defective • HD defective • HDC defective

• Code: 862
• Description: Maximum number of bad sectors detected on HD
  Up to 101 bad sectors have appeared in the area on the hard disk where image data is archived, and the hard disk may require replacement.
• Causes: • SC863 returned while reading data from the HD and the number of registered bad sectors reached 101.

• 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: 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

• Code: 951
• Description: F-gate error at write request
  After the IPU receives an F-gate signal, it receives another F-gate signal.
• Causes: • Software defective • BICU defective