• 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: Never remove Bluetooth (USB type) after machine starts

• 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: SC858-00
• Description: Data encryption conversion error (Key Setting Error) A serious error occurred during an attempt to update the encryption key.
• Causes: • USB Flash, other data, corrupted • Communication error caused by electrostatic noise • Controller board defective
• Remedy: 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: • USB Flash, other data, corrupted • Communication error caused by electrostatic noise • Controller board defective
• Remedy: Replace the controller 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 controller board.

• Code: SC858-30
• Description: Data encryption conversion error (NVRAM Before Replace Error) A serious error occurred after data conversion during an attempt to update the encryption key.
• Causes: Software error such as conversion parameters being invalid.
• Remedy: Replace the controller board.