• Code: E766-xxxx
• Description: Firmware error
  An error due to the controller software occurred so that print could not be proceeded.
• Remedy: Due to firmware error, the possibility of solving the error by replacing the Main Controller PCB is low. Check the installed engine again.

• Code: E804-0004
• Description: Controller Fan error
  Since the startup of the Controller Fan, the Fan was locked for a specified consecutive period of time.
• Remedy: 1. Check power supply to the Controller Fan. 2. Replace the Controller Fan.

• Code: E805-0000
• Description: Main Fan error
  The Main Fan was locked for a specified consecutive period of time.
• Remedy: 1. Check the connection of the Main Fan. 2. Replace the Main Fan.

• Code: E808-0000
• Description: Failure detection of Low Voltage Power Supply PCB
  Printer detected failure of the Low Voltage Power Supply PCB.
• Remedy: Replace the Engine Controller PCB.