Press MODE button for 2 seconds, it will get you into setting menus. You can press UP/DOWN button to change the parameter setting and pressing MODE button will switch the screen to the next parameter. Enter the password "1919" when you get to the Pd ...
Turn on your E-Bike. Press and hold the menu key until you reach the settings menu. Press the menu key multiple times until you reach the "voltage" setting. If you have a Flex Overland, set the voltage to 48 volts. If you have a Flex Urban, set the ...