• Code: SC842-02
• Description: NAND-Flash Block-deletion Excess-error
• Causes: When starting-up the machine or re-starting it from the energy saving, the machine reads the state of the NAND-Flash and detects that there are block-deletions whose amount exceeds the threshold. This means that the life of the NAND-Flash is near-end. Near-end Life of NAND-Flash
• Remedy: Replace the controller board as soon as possible.

• Code: SC853-00
• Description: Bluetooth device connection error
• Causes: When a Bluetooth hardware device (USB type) is connected after startup. A Bluetooth hardware device (USB type) has been connected after startup.
• Remedy: Connect the Bluetooth hardware device (USB type) before turning on the main power switch.

• Code: SC854-00
• Description: Bluetooth device removal error
• Causes: When a Bluetooth hardware device (USB type) is removed after startup. A Bluetooth hardware device (USB type) has been removed after startup.
• Remedy: Connect the Bluetooth hardware device (USB type) before turning on the main power switch.

• Code: SC855-01
• Description: Wireless LAN board error (driver attachment failure)
• Causes: Wireless LAN board error (wireless LAN card: 802.11 is covered) • Defective wireless LAN board • Loose connection
• Remedy: • Turn the main power off/on. • Replace wireless LAN board

• Code: SC855-02
• Description: Wireless LAN board error (driver initialization failure)
• Causes: Wireless LAN board error (wireless LAN card: 802.11 is covered) • Defective wireless LAN board • Loose connection
• Remedy: • Turn the main power off/on. • Replace wireless LAN board

• Code: SC857-00
• Description: USB driver error
• Causes: USB I/F is not available due to USB driver error.
• Remedy: • Make sure that the USB is connected correctly. • Replace the controller board.

• Code: SC858-00
• Description: Data encryption conversion error (Key error)
• Causes: A serious error occurred during an attempt to update the encryption key. • Data in the USB Flash etc. is corrupted • Communication error because of electromagnetic interference etc. • Controller board is defective
• Remedy: Replace the Controller Board.

• Code: SC858-01
• Description: Data encryption conversion error (HDD Key Setting Error)
• Causes: A serious error occurred during an attempt to update the encryption key. • Data in the USB Flash etc. is corrupted • Communication error because of electromagnetic interference etc. • Controller board is defective
• Remedy: Replace the Controller Board.