• Code: 622
• Description: Bank communication error
• Causes: • Cable problems • BCU problems • PSU problems in the machine • Main board problems in the peripherals

• Code: 623
• Description: Duplex unit communication error
• Causes: • Cable problems • BCU problems • PSU problems in the machine • Duplex control board problem

• Code: 630
• Description: CSS communication error
• Causes: • Communication line error

• Code: 632
• Description: MF accounting device error 1
  The controller sends data to the accounting device, but the device does not respond. This occurs three times.
• Causes: • Loose connection between the controller and the accounting device

• Code: 633
• Description: MF accounting device error 2
  After communication is established, the controller receives the brake signal from the accounting device.
• Causes: • Loose connection between the controller and the accounting device

• Code: 634
• Description: MF accounting device error 3
  The accounting device sends the controller the report that indicates a backup RAM error has occurred.
• Causes: • Defective controller of the MF accounting device • Battery error

• Code: 635
• Description: MF accounting device error 4
  The accounting device sends the controller the report that indicates the battery voltage error has occurred.
• Causes: • Defective controller of the MF accounting device • Battery error

• Code: 670
• Description: No response from BCU at power on
  When the main power is turned on or the machine starts warming up from energy-saving mode, the controller does not receive a command signal from the BCU.
• Causes: • Loose connection • Defective controller • Defective BCU