Please kindly check Operation interface: three keys, "up" on the left to go upstairs, "power" in the middle to start, and "down" on the right to go downstairs. Hold down the stairs and stop when you release your hand.
Please do the following troubleshooting methods: 1) The charger does not light up: not connected to the power supply. Please confirm that the power cord is connected 2) The battery does not light up: Please press the battery button and see if the ...
Please do the following troubleshooting methods: 1) Turn the key to turn on the machine 2) See if the battery light is on 3) Press the button to check the battery level. And if it still doesn't work , please kindly take a short video to us at ...