- Turn OFF the main power.
- After removing the SD slot cover of the controller unit, set the SD card in the service slot.
- Turn ON the main power.
- Enter the SP mode.
- Do SP5-846-052 (Restore All Addr Book).
- Exit the SP mode, and then turn OFF the main power switch.
- Remove the SD card.
- Attach the SD slot cover to the original position (
x1).
- Turn ON the main power, and check that the address book has been restored.

- The counter in the user code information is initialized after uploading.
- The information of an administrator and supervisor cannot be downloaded nor uploaded.
- If there is no data of address book information in the SD card, an error message is displayed.
- If a download file does not exist, or if erasure is complete, execution malfunction is displayed.