• Code: E740-0001
• Description: The LAN card is faulty. The main controller PCB is faulty.
  An error is detected on the LAN card at power-on (with the card inserted).

• Code: E740-0002
• Description: The LAN card is faulty. The main controller PCB is faulty.
  A MAC address is found to be faulty.

• Code: E740-0003
• Description: The LAN card is faulty. The main controller PCB is faulty.
  The LAN card register cannot be read.

• Code: E741-0000
• Description: The PCI bus connection is not proper. The main controller PCB is faulty.
  An error has occurred in the PCI bus.

• Code: E743-0000
• Description: The connector has poor contact. The main controller PCB is faulty.
  The reader controller PCB has detected an error in the communication between the main controller PCB and the reader controller PCB.

• Code: E744-0001
• Description: The boot ROM and the firmware have a mismatch of model or type:
  at time of start-up, the language file and the main controller have a version mismatch

• Code: E744-0002
• Description: The boot ROM and the firmware have a mismatch of model or type:
  at time of start-up, the language file is found to be too large.

• Code: E744-0003
• Description: The boot ROM and the firmware have a mismatch of model or type:
  at time of start-up, the language file is absent.