• Code: E744-0002
• Description: An error exists in the language file/boot ROM.
  The language file on the HDD is too large.
• Remedy: Update the version of the language file (Language), or install the appropriate file.

• Code: E744-0003
• Description: An error exists in the language file/boot ROM.
  There is no language to which a switchover is made as described in the Config file on the HDD.
• Remedy: Update the version of the language file (Language), or install the appropriate file.

• Code: E744-0004
• Description: An error exists in the language file/boot ROM.
  An attempt to switch over to the language described in the Config file on the HDD fails.
• Remedy: Update the version of the language file (Language), or install the appropriate file.

• Code: E744-1000
• Description: An error exists in the language file/boot ROM.
  The connected boot ROM is not one designed for the model in question.
• Remedy: Replace the boot ROM.

• Code: E744-2000
• Description: An error exists in the language file/boot ROM.
  An illegal engine ID has been detected.
• Remedy: Reinstall the system software.

• Code: E746-0003
• Description: An unsupported optional board has been detected.
  The option board that has been detected is one deigned for a different model.
• Remedy: Replace it with one for the model in question.

• Code: E749-0001
• Description: Restart in accordance with a change of the product configuration
  A boot ROM designed for a different model has been fitted in place (as when installing an PDL option).
• Remedy: There is no need for remedial action. Nevertheless, the fact will remain as part of the error history.

• Code: E800
• Description: The auto power-off circuit has an error.
  An open circuit has been detected for 3 sec or more in the auto power-off circuit.
• Remedy: Turn off and then on the power. Disconnect and then connect J505 of the DC controller PCB. Disconnect and then connect J1719 of the relay PCB. Replace the relay PCB. Replace the DC controller PCB.