• Code: 669
• Description: EEPROM Error
  An unexpected value exists in the initialization flag of the EEPROM
• Causes: EEPROM not initialized. Defective EEPROM 1. Initialize the EEPROM. 2. Replace the EEPROM. 3. Replace the EGB.

• Code: 690
• Description: GAVD Communication Error
  The ID of the GAVD is not identified during initialization. The chip ID of the GAVD cannot be detected by the machine at power-on.
• Causes: Defective EGB 1. Replace the EGB.

• Code: 819
• Description: Service Cycle Power
  Incorrect combination of EGB and controller board. An unexpected error occurs in the EEPROM on the controller board.
• Causes: Controller board defective 1. Install the correct EGB and controller boards for this machine. 2. Replace the controller board

• Code: 823
• Description: USB/ Network Device Error
  An interface error in the USB connection or NIB connection occurs.
• Causes: Controller board detective 1. Replace the controller board.

• Code: 824
• Description: EEPROM Error
  An EEPROM check error at power-on occurs.
• Causes: Controller board detective 1. Replace the controller board.

• Code: 827
• Description: On-Board Memory Check Error
  An on-board memory check error at power-on occurs.
• Causes: Controller board detective 1. Replace the controller board.

• Code: 828
• Description: ROM Checksum Error
  A ROM checksum error at power-on occurs.
• Causes: 1. Replace the controller board.