- Turn the power off.
- Remove the SD slot cover of the controller unit.
- Set the SD card in the service slot.
- Turn the power on.
- Execute SP5-846-052 (address book information restore).
- Turn the power off.
- Remove the SD card.
- Attach the SD slot cover to the original position.
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.