It may occur when scooter is not used for a period of time , in order to protect the battery from discharging

1. Check whether power button on the dashboard is out of position or stuck
2. if not, long press power button
3. Squeeze brake lever and check whether brake light is on
4. If brake light is off, connect scooter to charger and plug in charger
5. if charging indicator turns red, unplug charger and long press power button again
6. The battery is now reactiviated and the product is ready to be used

If you still have a problem or question than please lodge a ticket through support portal.