• Code: 820
• Description: Self-diagnostics error: CPU [XXXX]: Detailed error code
• Causes: • Defective ASIC • Defective devices in which ASIC detects cut-in
• Remedy: Replace the controller board.

• Code: 833
• Description: Self-diagnostic error 8: Engine I/F ASIC
• Causes: [0F30] [0F31] • ASIC (Mandolin) for system control could not be detected. After the PCI configuration, the device ID for the ASIC could not be checked. Replace the BCU. [0F41] • ASIC (Mandolin) for system control could not be detected. After the PCI configuration, the device ID for the ASIC could not be checked. Replace the BCU [50B1] Could not initialize or read the bus connection. • Check for loose connections at the mother board. Replace the mother board [50B2] Value of the SSCG register is incorrect. • Check for loose connections at the mother board. Replace the mother board
• Remedy:

• Code: 851
• Description: IEEE1394 interface error
  The 1394 interface is unusable.
• Causes: • Defective IEEE1394 • Defective controller.
• Remedy: 1. Turn the main switch off and on. 2. Replace the IEEE1394 interface board. 3. Replace the controller.

• Code: 853
• Description: Wireless LAN card not detected
  The wireless LAN card is not detected before communication is established, though the wireless LAN board is detected.
• Causes: • Loose connection
• Remedy: Check the connection.

• Code: 854
• Description: Wireless LAN/Bluetooth card not detected
  The wireless LAN/Bluetooth card is not detected after communication is established, but the wireless LAN board is detected.
• Causes: • Loose connection
• Remedy: Check the connection.

• Code: 855, 856
• Description: Wireless LAN/Bluetooth card error
  An error is detected in the wireless LAN/Bluetooth card
• Causes: • Loose connection • Defective wireless LAN/Bluetooth card
• Remedy: 1. Check the connection. 2. Replace the wireless LAN/Bluetooth card.

• Code: 857
• Description: USB interface error The USB interface cannot be used due to a driver error.
• Causes: • Defective USB driver • Loose connection
• Remedy: 1. Check the connection. 2. Replace the controller board.

• Code: 858
• Description: HDD Encryption unit error 1
  A serious error occurs when data is encrypted to update an encryption key with the HDD encryption unit.
• Causes: [0] Encryption key acquisition error: The controller fails to get a new encryption key. • Defective controller board 1. Replace the controller board. [1] Encryption key setting for HDD error: The controller fails to copy a new encryption key to the HDD. • Defective SATA chip on the controller board 1. Replace the controller board. [2] NVRAM data encryption error 1: An error occurs while the NVRAM data is encrypted. • Defective NVRAM on the controller board 1. Replace the NVRAM. [30] NVRAM data encryption error 2: An error occurs before the NVRAM data is encrypted. • Defective controller board 1. Replace the controller board. [31] Other error: A serious error occurs while the data is encrypted. • Same as SC991
• Remedy: