• Code: 820
• Description: [060A-060E] Self-diagnostic error. CPU: Detailed error code Cut-in command does not operate when it is executed
• Causes: • Defective CPU devices • Defective ASIC devices
• Remedy: 1. Replace the controller board

• Code: 820
• Description: [0610] Self-diagnostic error. CPU: Detailed error code [0610] Self-diagnostic error. CPU: Detailed error code Timer cut-in does not operate even though it is set.
• Causes: • Defective CPU devices
• Remedy: 1. Replace the controller board

• Code: 820
• Description: [0612] Self-diagnostic error. CPU: Detailed error code Cut-in in ASIC occurs.
• Causes: • Defective ASIC • Defective devices in which ASIC detects cut-in.
• Remedy: 1. Replace the controller board.

• Code: 820
• Description: [06FF] Self-diagnostic error. CPU: Detailed error code The pipeline clock frequency rate is different from the prescribed value.
• Causes: • Defective CPU devices • Mode bit data error, which is used for initialising CPU
• Remedy: 1. Replace the controller board

• Code: 820
• Description: [0702] Self-diagnostic error. CPU: Detailed error code The result when the program is executed in the command cache is different from desirable value.
• Causes: • Insufficient CPU cache • Insufficient memory process speed
• Remedy: 1. Replace the controller board. 2. Replace the RAM DIMM.

• Code: 820
• Description: [0709, 070A] Self-diagnostic error. CPU: Detailed error code 820 [D] Even you write the data in the only cache of memory, the data is actually written in another area of memory.
• Causes: • Defective CPU devices • Incorrect SPD • Boot mode setting error
• Remedy: 1. Replace the controller board. 2. Replace the RAM DIMM.

• Code: 820
• Description: [0801, 0804, 0807, 0808, 0809, 80A] Self-diagnostic error. CPU: Detailed error code An error occurs when checking the TLB.
• Causes: • Defective CPU devices
• Remedy: 1. Replace the controller board.

• Code: 820
• Description: [4002-4005] Self-diagnostic error. CPU: Detailed error code The calculation error in the CPU occurs.
• Causes: • Defective CPU
• Remedy: 1. Replace the CPU.