• Code: SC840-00
• Description: EEPROM access error An error occurred during I/O processing. • A read error occurred and 3 retries failed. • A write error occurred.
• Causes: EEPROM defective or end-of-life
• Remedy:

• Code: SC841-00
• Description: EEPROM read data error Compared the data from 3 areas of the EEPROM mirror data with the original data and all 3 of them were different from the original data.
• Causes: Data in the specific area of the EEPROM has been modified.
• Remedy:

• Code: SC842-00
• Description: Nand-Flash updating verification error During remote ROM update or ROM update, the SCS detected a write error (verify error) regarding the data written to the Nand-Flash.
• Causes: Nand-Flash damaged
• Remedy: Turn the main power off/on.

• Code: SC842-01
• Description: Nand-Flash bad block number 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 bad blocks exceeded the threshold.
• Causes: Nand-Flash bad block number exceeding the threshold
• Remedy: Replace the controller board.

• 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