• Code: SC842-02
• Description: Number of times of Nand-Flash block erase exceeding the threshold When the status of the Nand-Flash was checked at power-on or when returning from energy saver mode, the number of times the block was erased exceeded the threshold.
• Causes: Number of times of Nand-Flash block erase exceeding the threshold
• Remedy: Replace the controller board.

• Code: SC853-00
• Description: Bluetooth device connection error The Bluetooth hardware (USB type) was connected after the machine was turned on.
• Causes: The Bluetooth hardware (USB type) was connected after the machine was turned on.
• Remedy: Turn the main power with the Bluetooth hardware (USB type) connected.

• Code: SC854-00
• Description: Bluetooth device disconnected The Bluetooth hardware (USB type) was disconnected after the machine was turned on.
• Causes: The Bluetooth hardware (USB type) was disconnected after the machine was turned on.
• Remedy: Turn the main power with the Bluetooth hardware (USB type) connected.

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

• Code: SC857-00
• Description: USB I/F Error The USB interface is unusable because of a driver error.
• Causes: USB driver error (There are three causes of USB error: RX error/CRC error/STALL. SC is issued only in the case of STALL.)
• Remedy: • Check USB connection. • Replace the controller board.

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

• Code: SC858-02
• Description: Data encryption conversion error (NVRAM read/write error) A serious error occurred after data conversion during an attempt to update the encryption key.
• Causes: NVRAM defective
• Remedy: Replace the board.