1. Turn the power off.
  2. Remove the SD slot cover of the controller unit.
  3. Set the SD card in the service slot.
  4. Turn the power on.
  5. Execute SP5-846-052 (address book information restore).
  6. Turn the power off.
  7. Remove the SD card.
  8. Attach the SD slot cover to the original position.
  9. Turn the power on, and check that the address book has been restored.

    • User code counter information is initialized.
    • Administrator and supervisor information is not backed up. Also, it is not erased during restore.
    • If a download file does not exist, or if erasure is complete, execution malfunction is displayed.