• Code: 864
• Description: HDD: CRC error
  While reading data from the HDD or storing data in the HDD, data transmission fails.
• Causes: • Defective HDD
• Remedy: Replace the HDD.

• Code: 865
• Description: HDD: Access error
  An error is detected while operating the HDD.
• Causes: • Defective HDD
• Remedy: Replace the HDD.

• Code: 866
• Description: SD card authentication error
  A correct license is not found in the SD card.
• Causes: • SD-card data is corrupted.
• Remedy: Store correct data in the SD card.

• Code: 867
• Description: SD card error
  The SD card is ejected from the slot.
• Causes: 1. Install the SD card. 2. Turn the main switch off and on.
• Remedy: 1. Install the SD card. 2. Turn the main switch off and on.

• Code: 868
• Description: SD card access error
  • -13 to -3: File system error • Other number: Device error
• Causes: An error report is sent from the SD card reader. • An error is detected in the SD card.
• Remedy: 1. For a file system error, format the SD card on your PC. 2. For a device error, turn the mains switch off and on. 3. Replace the SD card. 4. Replace the controller.

• Code: 870
• Description: Address book error
  An error is detected in the data copied to the address book over a network.
• Causes: • Defective software program • Defective HDD • Incorrect path to the server
• Remedy: 1. Back up the address book data (* "Address Book Upload/Download" in the Appendices) and Initialize the address book data (SP5-846-046) and the user information. (Restore the address book data if possible.) 2. Replace the HDD.

• Code: 872
• Description: HDD mail data error
  An error is detected in the HDD at machine initialization.
• Causes: • Defective HDD • Power failure during an access to the HDD
• Remedy: 1. Turn the main switch off and on. 2. Initialize the HDD partition (SP5-832-007). 3. Replace the HDD.

• Code: 873
• Description: HDD mail transfer error An error is detected in the HDD at machine initialization.
• Causes: • Defective HDD • Power failure during an access to the HDD
• Remedy: 1. Initialize the HDD partition (SP5-832-008). 2. Replace the HDD.