• Code: 822
• Description: Self-diagnostic error: HDD
  • HDD device busy for over 31 s. • After a diagnostic command is set for the HDD, but the device remains busy for over 6 s.
• Causes: • HDD defective • HDD harness disconnected, defective • Controller board defective

• Code: 823
• Description: Self-diagnostic error: NIB [XXXX]: Detailed error code
• Causes: [6101] MAC address check sum error The result of the MAC address check sum does not match the check sum stored in ROM. [6104] PHY IC error The PHY IC on the controller cannot be correctly recognized. [6105] PHY IC loop-back error An error occurred during the loop-back test for the PHY IC on the controller.

• Code: 824
• Description: Self-diagnostic error : NVRAM NVRAM device does not exist, NVRAM device is damaged, or NVRAM socket damaged.
• Causes: • NVRAM defective • Controller board defective • NVRAM backup battery exhausted • NVRAM socket damaged

• Code: 826
• Description: Self-diagnostic Error: RTC/optional NVRAM
• Causes: [1501] The one second counted by the RTC is different from the one second counted by the CPU on the controller. • Defective RTC device [15FF] The RTC device is not detected. • Defective RTC device • NVRAM without RTC installed • Discharged backup battery

• Code: 827
• Description: Self-diagnostic error: Standard SDRAM DIMM [XXXX]: Detailed error code
• Causes: [0201] Verification error Error detected during a write/verify check for the standard RAM (SDRAM DIMM). • Loose connection • Defective SDRAM DIMM • Defective controller [0202] Resident memory error The SPD values in all RAM DIMM are incorrect or unreadable. • Defective RAM DIMM • Defective SPD ROM on RAM DIMM • Defective 12C bus Replace the RAM DIMM.

• Code: 828
• Description: Self-diagnostic error: ROM [XXXX]: Detailed error code
• Causes: [0101] Check sum error 1 • The boot monitor and OS program stored in the ROM DIMM is checked. If the check sum of the program is incorrect, this SC code is displayed. 1. Replace the controller board.

• Code: 829
• Description: Self-diagnostic error: Optional RAM [XXXX]: Detailed error code
• Causes: [0301] Verification error Error detected during a write/verify check for the optional RAM (SDRAM DIMM). • Loose connection • Defective SDRAM DIMM • Defective controller Turn the main switch off and on. Replace the SDRAM DIMM. Replace the controller. [0302] Memory structure data error The memory structure data error for the optional RAM (SDRAM DIMM) is detected when the self-diagnostic is executed. • Defective RAM DIMM • Defective SPD ROM on RAM DIMM • Defective 12C bus Replace the RAM DIMM.

• Code: 833
• Description: Self-diagnostic error 8: Engine I/F ASIC
• Causes: [0F30] [0F31] ASIC (Mandolin) for system control could not be detected. After the PCI configuration, the device ID for the ASIC could not be checked. Replace the IPU. [0F41] ASIC (Mandolin) for system control could not be detected. After the PCI configuration, the device ID for the ASIC could not be checked. Replace the IPU. [50B1] Could not initialize or read the bus connection. Check for loose connections at the mother board. Replace the IPU. [50B2] Value of the SSCG register is incorrect. Check for loose connections at the mother board. Replace the IPU.