• Code: 821
• Description: [0B00] Self-diagnostic error - ASIC ASIC and CPU timer error detected during selfdiagnostic.
• Causes: • Defective controller
• Remedy: 1. Replace the controller if the error is frequent.

• Code: 821
• Description: [0D05] Self-diagnostic error. ASIC The CPU checks if the ASIC timer works properly compared with the CPU timer. If the ASIC timer does not function in the specified range, this SC code is displayed.
• Causes: • System firmware problem • Defective RAM-DIMM • Defective controller
• Remedy: 1. Reinstall the controller system firmware. 2. Replace the RAM-DIMM. 3. Replace the controller board.

• Code: 822
• Description: [3003] Self-diagnostic error. HDD: Time out error When the main switch is turned on or starting the self-diagnostic, the HDD stays busy for the specified time or more.
• Causes: • Loose connection • Defective HDD • Defective controller
• Remedy: 1. Check that the HDD is properly connected to the controller. 2. Replace the HDD. 3. Replace the controller.

• Code: 822
• Description: [3004] Self-diagnostic error. HDD: Command error When the main switch is turned on or starting the self-diagnostic, the diagnostic error from HDD occurs.
• Causes: • Defective HDD
• Remedy: 1. Replace the HDD.

• Code: 823
• Description: [6101] Self-diagnostic error . NIC: MAC address check sum error The result of the MAC address check sum does not match the check sum stored in ROM.
• Causes: • Defective controller
• Remedy: 1. Replace the controller.

• Code: 823
• Description: [6104] Self-diagnostic error . NIC: PHY IC error The PHY IC on the controller cannot be properly recognized.
• Causes: • Defective controller
• Remedy: 1. Replace the controller.

• Code: 823
• Description: [6105] Self-diagnostic error . NIC: PHY IC loop back error An error occurred during the loop-back test for the PHY IC on the controller.
• Causes: • Defective controller
• Remedy: 1. Replace the controller.

• Code: 824
• Description: [1401] Self-diagnostic error . NVRAM [D] The controller cannot recognize the standard NVRAM installed or detects that the NVRAM is defective.
• Causes: • Loose connection • Defective standard NVRAM • Defective controller
• Remedy: 1. Check the standard NVRAM is firmly inserted into the socket. 2. Replace the NVRAM. 3. Replace the controller.