• Code: SC 855
• Description: Wireless LAN card error An error is detected in the wireless LAN card.
• Causes: • Loose connection • Defective wireless LAN card
• Remedy: 1. Check the connection. 2. Replace the wireless LAN card.

• Code: SC 856
• Description: Wireless LAN card error An error is detected in the wireless LAN board.
• Causes: • Defective wireless LAN board • Loose connection
• Remedy: 1. Check the connection. 2. Replace the wireless LAN board.

• Code: SC 857
• Description: USB interface error The USB interface cannot be used due to a driver error.
• Causes: • Defective USB driver • Loose connection
• Remedy: 1. Check the connection. 2. Replace the controller.

• Code: SC 860
• Description: HDD: Initialization error The controller detects that the hard disk fails.
• Causes: • HDD not initialized • Defective HDD
• Remedy: 1. Turn the main switch off and on. 2. Reformat the HDD. 3. Replace the HDD.

• Code: SC 861
• Description: HDD: Reboot error The HDD does not become ready within 30 seconds after the power is supplied to the HDD.
• Causes: • Loose connection • Defective cables • Defective HDD • Defective controller
• Remedy: 1. Turn the main switch off and on. 2. Check the connection between the HDD and controller. 3. Check and replace the cables. 4. Replace the HDD. 5. Replace the controller.

• Code: SC 863
• Description: HDD: Read error The data stored in the HDD cannot be read correctly.
• Causes: • Defective HDD • Defective controller
• Remedy: 1. Turn the main switch off and on. 2. Replace the HDD. 3. Replace the controller.

• Code: SC 864
• Description: HDD: CRC error While reading data from the HDD or storing data in the HDD, data transmission fails.
• Causes: • Defective HDD
• Remedy: 1. Turn the main switch off and on. 2. Replace the HDD.

• Code: SC 865
• Description: HDD: Access error An error is detected while operating the HDD.
• Causes: • Defective HDD
• Remedy: 1. Turn the main switch off and on. 2. Replace the HDD.