• Code: 791
• Description: Bridge unit error
  The machine recognizes the finisher, but does not recognize the bridge unit.
• Causes: • Defective connector • Broken harness

• Code: 792
• Description: Finisher error
  The machine does not recognize the finisher, but recognizes the bridge unit.
• Causes: • Defective connector • Defective harness • Incorrect installation

• Code: 816
• Description: Energy save I/O sub-system error
  Energy saver sub-system detects an error.
• Causes: • Defective controller board

• Code: 817
• Description: Monitor Error
  This is a file detection and electronic file signature check error when the boot loader attempts to read the self-diagnostic module, system kernel, or root system files from the OS Flash ROM, or the items on the SD card in the controller slot are false or corrupted.
• Causes: • OS Flash ROM data defective; change the controller firmware • SD card data defective; use another SD card

• Code: 818
• Description: Watchdog timer error
  The watchdog timer detect the error even if system processing normally.
• Causes: System program defective
  Controller board defective
  Optional board defective

• Code: 819
• Description: Fatal kernel error
  Due to a control error, a RAM overflow occurred during system processing. One of the following messages was displayed on the operation panel.
• Causes: • System program defective • Controller board defective
  • Optional board defective • Replace controller firmware

• Code: 820
• Description: Self-diagnostics error: CPU [XXXX]: Detailed error code
  CPU error
• Causes: • System firmware problem • Defective controller

• Code: 821
• Description: Self-diagnostics error: ASIC
• Causes: [0B00] ASIC error The write-&-verify check error has occurred in the ASIC. • Defective ASIC device Replace the controller board. [0D05] Self-diagnosis error: ASIC The CPU checks if the ASIC timer works correctly compared with the CPU timer. If the ASIC timer does not function in the specified range, this SC code is displayed. • System firmware problem • Defective RAM-DIMM • Defective controller Replace the controller board. [50A1] Video bridge device (ASIC) error 1 The CPU does not detect the video bridge device. • Defective I/F between the video bridge device and controller [50A2] Video bridge device (ASIC) register error 1 The CPU detects the video bridge device, but detects error data from the video bridge device. • Defective I/F between the video bridge device and controller