• Code: 795
• Description: Paper exit unit lift up/ down error
  The paper exit unit HP sensor does not turn off for 650 msec after the paper exit unit has lifted down. The paper exit unit HP sensor does not turn on for 650 msec after the paper exit unit has lifted up.
• Causes: Disconnected harness. Defective paper exit unit contact motor. Defective paper exit unit HP sensor.
• Remedy: 1. Check the harness connection. 2. Replace the paper exit unit contact motor. 3. Replace the paper exit unit HP sensor.

• Code: 796
• Description: Transport belt solenoid error
• Causes: Disconnected harness. Defective transport motor. Transport belt HP sensor.
• Remedy: 1. Check the harness connection. 2. Replace the transport motor. 3. Replace the transport belt HP sensor.

• Code: 797
• Description: EEPROM data error
• Causes: Defective EEPROM on the main board
• Remedy: 1. Check the harness connection. 2. Replace the main board.

• Code: 818
• Description: Watch-dog error
  While the system program is running, other processes do not operate at all.
• Causes: Defective controller. Software error.
• Remedy: 1. Replace the controller.

• Code: 819
• Description: Fatal error
• Causes: [696E] Process error System completely down • Defective RAM DIMM • Defective ROM DIMM • Defective controller • Software error 1. Check and/or replace the RAM DIMM. 2. Check and/or replace the ROM DIMM. 3. Replace the controller. [766D] Memory error Unexpected system memory size • Defective RAM DIMM • Defective ROM DIMM • Defective controller • Software error 1. Check and/or replace the RAM DIMM. 2. Check and/or replace the ROM DIMM. 3. Replace the controller. [4361] Kernel stop error The cache error trap occurs in the CPU. • CPU cache error 1. Replace the controller. Kernel stop error An error in the operation system (An error message is output.) • Defective CPU • Defective memory • Defective flash memory • Incorrect software 1. Replace the memory. 2. Replace the controller.
• Remedy:

• Code: 820
• Description: Self-diagnostics error: CPU [XXXX]: Detailed error code
• Causes: [0001] to [06FF] [0801] to [4005] CPU error During the self-diagnostic, the controller CPU detects an error. There are 47 types of error code (0001 to 4005) depending on the cause of the error. The CPU detects an error and displays the specific error code with the program address where the error occurs. • System firmware problem • Defective controller 1. Turn the main switch off and on. 2. Reinstall the controller system firmware. 3. Replace the controller. When the problem cannot be fixed with the above procedure, the following information displayed on the screen needs to be fed back to a technical support center. • SC code • Detailed error code • Program address [0702] [0709] [070A] CPU/Memory Error • System firmware problem • Defective RAM-DIMM • Defective controller 1. Reinstall the controller system software. 2. Replace the RAM-DIMM. 3. Replace the controller.
• Remedy:

• Code: 821
• Description: Self-diagnostics error: ASIC [XXXX]: Detailed error code
• Causes: [0B00] ASIC error The write-&-verify check error has occurred in the ASIC. • Defective ASIC device Replace the controller. [0B06] ASIC detection error The I/O ASIC for system control is not detected. • Defective ASIC • Defective North Bridge and PCI I/F 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 1. Reinstall the controller system firmware. 2. Replace the RAM-DIMM. 3. 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 i-controller Replace the i-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 i-controller Replace the i-controller.
• Remedy:

• Code: 822
• Description: Self-diagnostic error: HDD (Hard Disk Drive) [XXXX]: Detailed error code
• Causes: [3003] Timeout error [3004] Command error - - When the main switch is turned on or starting the self-diagnostic, the HDD stays busy for the specified time or more. - - • Loose connection • Defective HDD • Defective controller
• Remedy: 1. Check that the HDD is correctly connected to the controller. 2. Replace the HDD. 3. Replace the controller.