• 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.

• 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 board.

• Code: SC858-31
• Description: Data encryption conversion error (Other Error) A serious error occurred after data conversion during an attempt to update the encryption key.
• Causes: Controller board defective
• Remedy: Replace the board.

• Code: SC859-01
• Description: Data encryption conversion HDD conversion error (HDD check error) HDD was not converted correctly during an attempt to update the encryption key. Only an error screen is displayed and no SC is issued during conversion. This SC is issued after machine restart.
• Causes: • HDD conversion was selected in the Encryption key update function but the machine was turned on with the HDD removed. • Power failure occurred during encryption key update. • HDD was not successfully converted during encryption key update due to HDD errors or cable noises.
• Remedy: • Check HDD connection. • Format the HDD. • If there is a problem with the HDD, it has to be replaced.

• Code: SC859-02
• Description: Data encryption conversion HDD conversion error (Power failure during conversion) HDD was not converted correctly during an attempt to update the encryption key. Only an error screen is displayed and no SC is issued during conversion. This SC is issued after machine restart. Details: NVRAM/HDD conversion is incomplete.
• Causes: Power failure occurred during encryption key update.
• Remedy: The display after restart instructs the user to format the HDD.