• Code: 632
• Description: Key/card counter device error 1
  After 1 data frame is sent to the device, an ACK signal is not received within 100 ms, and is not received after 3 retries.
• Causes: • The serial line from the device to the copier is unstable, disconnected, or defective.

• Code: 633
• Description: Key/card counter device error 2
  During communication with the device, the BCU received a break (Low) signal.
• Causes: • The serial line from the device to the copier is unstable, disconnected, or defective.

• Code: 634
• Description: Key/card counter device error 3
  The backup battery of the counter device RAM is low.
• Causes: • Replace the RAM backup battery.

• Code: 635
• Description: Key/card counter device error 4
  After installation of the device a message alerts user to a battery voltage abnormal error.
• Causes: • Device control board defective • Device control board backup battery defective

• Code: 640
• Description: BICU-to-Controller Data Transfer Error 1: Sum Check Error
  The system detected an error during sum check for data transfer from the BICU to the controller board. Note: This error is simply logged and the machine does not return an error number on the display.
• Causes: • No action required • The log count increments by one for every error

• Code: 641
• Description: BICU-to-Controller Data Transfer Error 2: Frame Error
  The system detected an error after data was sent from the BICU to the controller board.
• Causes: • No action required • The log count increments by one for every error

• Code: 670
• Description: Engine startup error
  The BCU failed to respond with the prescribed time when the machine was turned on.
• Causes: • Connections between BCU and controller board are loose, disconnected, or damaged • Replace the BCU • Replace the controller board

• Code: 672
• Description: Controller startup error
  • After power on, the line between the controller and the operation panel did not open for normal operation. • After normal startup, communication with the controller stopped.
• Causes: • Controller stalled • Controller installed incorrectly • Controller board defective • Operation panel harness disconnected or defective