Code :

Code: 842
Description: Nand-Flash updating verification error A writing error for the module written in Nand-Flash occurs when the remote ROM and ROM are updating.
Causes: • Damaged Nand-Flash
Remedy: 1. Turn the main switch off and on.

Code: 853
Description: Bluetooth device connection error (The Bluetooth interface unit was installed while the machine was turned on.)
Causes: The Bluetooth interface unit was installed while the machine was turned on.
Remedy: Turn off the main power switch, and then confirm that the Bluetooth interface unit was installed correctly. And then, turn on the main power switch again.

Code: 854
Description: Bluetooth device removed (The Bluetooth interface unit was removed while the machine was turned on.)
Causes: The Bluetooth interface unit was removed while the machine was turned on.
Remedy: Turn off the main power switch, and then confirm that the Bluetooth interface unit was installed correctly. And then, turn on the main power switch again.

Code: 855, 856
Description: Hardware Problem:wireless LAN board The wireless LAN board can be accessed, but an error was detected.
Causes: • Loose connection • Defective wireless LAN card
Remedy: 1. Make sure that the Wireless LAN connection is good 2. Replace the wireless LAN card.

Code: 858
Description: HDD Encryption unit error 1
A serious error occurs when data is encrypted to update an encryption key with the HDD encryption unit.
Causes: -00 Encryption key acquisition error: The controller fails to get a new encryption key. • Defective controller board 1. Replace the controller board. -01 Encryption key setting for HDD error: The controller fails to copy a new encryption key to the HDD. • Defective SATA chip on the controller board 1. Turn the machine power off and on. 2. If the error reoccurs, replace the controller board. -02 NVRAM data encryption error 1: An error occurs while the NVRAM data is encrypted. • Defective SATA chip on the controller board 1. Replace the NVRAM. -30 NVRAM data encryption error 2: An error occurs before the NVRAM data is encrypted. • Defective controller board 1. Turn the machine power off and on. 2. If the error reoccurs, replace the controller board. -31 Other error: A serious error occurs while the data is encrypted. Same as SC991
Remedy:

Code: 859
Description: HDD Encryption unit error 2
A serious error occurs when the HDD data is encrypted to update an encryption key with the HDD encryption unit.
Causes: -08 HDD check error: The HDD is not correctly installed. • No HDD installed • Unformatted HDD • The encryption key on the controller is different from the one on the HDD 1. Install the HDD correctly. 2. Initialize the HDD. -09 Power failure during the data encryption: The data encryption (NVRAM and HDD) has not been completed. • Power failure during the data encryption 1. Initialize the HDD. -10 Data read/write error: The DMAC error is detected twice or more. Same as SC863.
Remedy: