• Code: 803
• Description: Video output error (C)
• Causes: Data transfer starts to the BCU, but the transfer completion command does not return to the controller within the required time. Defective controller board

• Code: 818
• Description: Watchdog error
• Causes: Turn the main switch off and on. Replace the controller. See NOTE at the end of this table

• Code: 819
• Description: Fatal error
• Causes: Turn the main switch off and on. Check and/or replace the RAM DIMM. Check and/or replace the ROM DIMM. Replace the controller. See NOTE at the end of this table

• Code: 820
• Description: Self-diagnostics error: CPU [XXXX]: Detailed error code
• Causes: Turn the main switch off and on. Reinstall the controller system firmware. Replace the controller.

• Code: 821
• Description: Self-diagnostics error: ASIC
• Causes: Turn the main switch off and on. Reinstall the controller system firmware. Replace the RAM DIMM. Replace the controller board.

• Code: 822
• Description: Self-diagnostics error: HDD (Hard Disk Drive) [XXXX]: Detailed error code
• Causes: Turn the main switch off and on. Check that the HDD is properly connected to the controller. Replace the HDD. Replace the controller.

• Code: 823
• Description: Self-diagnostics error: NIB [XXXX]: Detailed error code
• Causes: Turn the main switch off and on. Replace the controller.

• Code: 824
• Description: Self-diagnostics error: Standard NVRAM
• Causes: Turn the main switch off and on. Check that the standard NVRAM is firmly inserted into the socket. Replace the NVRAM. Replace the controller.