Code :

Code: 840-00
Description: EEPROM access error
While executing I/O to the EEPROM, an error is detected: • When a read error still occurs even after three attempts; • When a write error has occurred.
Causes: EEPROM is defective or has reached its end of life.
Remedy:

Code: 841-00
Description: Error in data read from the EEPROM
When mirrored data read from three different regions in the EEPROM differ each other.
Causes: For some reason, the data stored in a particular region of the EEPROM has been overwritten.
Remedy:

Code: 842-00
Description: Verification error in the Nand-Flash update
When updating the remote ROM and the ROM, SCS encountered an error in writing to the Nand-Flash memory that holds the module data.
Causes: Defective Nand-Flash memory.
Remedy: Turn the main switch off and on.

Code: 853-00
Description: Bluetooth device connection error
When a Bluetooth hardware device (USB type) is connected after startup.
Causes: 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: 854-00
Description: Bluetooth device removal error
When a Bluetooth hardware device (USB type) is removed after startup.
Causes: A Bluetooth hardware device (USB type) has been removed after startup.
Remedy: Connect the Bluetooth hardware device (USB type) before turning on the power switch.

Code: 858
Description: Serious encrypted data conversion error. 858-01 A serious error occurred while updating the data encryption key. 858-02 NVRAM data conversion failed. 858-30 After rebooting the machine before starting data conversion, an error that seems to be recoverable occurred. 858-31 A fatal error occurred during data conversion.
Causes: • Data corruption in a USB Flash memory device, etc. • Communication error caused by electromagnetic noise, etc. Out-of-order Controller Board
Remedy: Replace the Controller Board.

Code: 859
Description: HDD conversion error during encrypted data conversion
When the HDD conversion that is performed while updating the data encryption key fails. While performing conversion, the error is only indicated on the screen and does not generate any SC. However, a Mode SC is issued after rebooting.
Causes: • Check the HDD connection. • Initialize the HDD. • Replace the HDD
Remedy: • Check the HDD connection. • Initialize the HDD. • Replace the HDD.

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