Troubleshooting methodOne: The water gun does not start after pressing the trigger. Check if the lithium battery is out of power, recharge it with a charger Two: Check whether the lithium battery has electricity, plug the charger into the charging port of the gun body, observe the indicator light on the charger, the green light is on, it means normal, and the light is not on, it means the battery is damaged. Three: The water pipe is connected well, and the water cannot be discharged by pressing the trigger 1. Observe whether the water inlet pipe is bent and the water inlet is not unblocked 2. Keep pressing the trigger for more than ten seconds to allow water to be sucked into the gun body Pay attention to the method of use: you have to press the trigger for more than ten seconds when you first use it, and you need to suck water into the gun body before high-pressure water can be discharged.