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Make sure the “N - R" DIP switch is in the right position:
“N” / Normal mode: The switch is switched to the left ←. Booting from an SD card is blocked.
“R” / Restore of appliance: The switch is switched to the right →. Used to load the clean system image from an SD card.
Insert the card into the SD card slot of the unit and press the Restart button.
The Error LED will start blinking after the system is restarted. This means that the system is installed.
ACT LED will light up after a successful end of the installation.
Remove the card, switch the “N - R” switch to “N” position, and reboot the device.