• Code: 853
• Description: IEEE802.11b error - card not detected (power-on)
• Causes: Check the wireless LAN card connection. Replace the wireless LAN card.

• Code: 854
• Description: IEEE802.11b error - card not detected (during operation)
• Causes: Check the wireless LAN card connection. Replace the wireless LAN card.

• Code: 855
• Description: IEEE802.11b error
• Causes: Check the wireless LAN card connection. Replace the wireless LAN card.

• Code: 856
• Description: IEEE802.11b interface board error
• Causes: Check the wireless LAN interface board connection. Replace the interface board.

• Code: 857
• Description: USB interface error detected.
• Causes: Check the USB connections, make sure that they are securely connected. Replace the controller board.

• Code: 860
• Description: HDD: Error detected at power up (partition error, unformatted disk, incorrect disk type)
• Causes: Turn the main switch off and on. Reformat the HDD (SP 5-832-1 [HDD Init]). Replace the HDD.

• Code: 861
• Description: HDD: Reboot error
• Causes: Turn the main switch off and on. Check the connection between HDD and controller. Check and replace the cables. Replace the HDD. Replace the controller.

• Code: 862
• Description: Defective sector management maximum
• Causes: Replace the HDD.