• Code: SC854
• Description: Wireless LAN Error 2
• Causes: • Wireless LAN card missing (was removed)

• Code: SC855
• Description: Wireless LAN error 3
• Causes: • Wireless LAN card defective • Wireless LAN card connection incorrect

• Code: SC856
• Description: Wireless LAN error 4
• Causes: • Wireless LAN card defective • PCI connector (to the mother board) loose

• Code: SC857
• Description: USB I/F Error
• Causes: • Bad USB card connection • Replace the controller board

• Code: SC860
• Description: HDD startup error at main power on
  • HDD is connected but a driver error is detected. • The driver does not respond with the status of the HDD within 30 s.
• Causes: • HDD is not formatted • Label name input during formatting is corrupted; format the hard disk again • HDD is defective

• Code: SC861
• Description: HDD re-try failure
  At power on with the HDD detected, power supply to the HDD is interrupted, after the HDD is awakened from the sleep mode, the HDD is not ready within 30 s.
• Causes: • Harness between HDD and board disconnected, defective • HDD power connector disconnected • HDD defective • Controller board defective

• Code: SC863
• Description: HDD data read failure
  The data written to the HDD cannot be read normally, due to bad sectors generated during operation.
• Causes: • HDD defective Note: If the bad sectors are generated at the image partition, the bad sector information is written to NVRAM, and the next time the HDD is accessed, these bad sectors will not be accessed for read/write operation.

• Code: SC864
• Description: HDD data CRC errorDuring HDD operation, the HDD cannot respond to an CRC e
  rror query. Data transfer did not execute normally while data was being written to the HDD.
• Causes: • HDD defective