Installation method/step: </br> 1. Depending on the user's usage, select a wall-mounted or desktop installation.</br> 2.(IN)access to the water pipe, elbow outlet to the water line below; marked (OUT) access to the water pipe.(Note: water Pipe or outlet pipe flow switch to open to the maximum)</br> 3. Unscrew the water screw, the bucket filled with water, and then installed tighten the knob, turn on the power, the product starts to work. Just started, Because the barrel of air is not discharged, there will be small flow or bubble, until the air row after the normal water.</br> 4. When the desktop starts, the first tube down, the barrel of air after the end of the water out of the elbow, so that the product can quickly work properly.</br></br> Maintenance:</br> 1. To maintain the best filtering effect, please regularly clean the filter.</br> 2. To maintain the best filtering effect, please replace the filter regularly, or use other filter media according to your needs.</br> 3. Do not use detergent containing corrosive chemical composition.</br></br> Troubleshooting:</br> 1. When the filter is abnormal in use, if it is not working, noise and other phenomena, please immediately unplug the power plug.</br> 2. Check the water level is too low, whether the inlet pipe into the air, resulting in evacuation, can not work properly.</br> 3. Check whether the takeover is loose, whether there is air into, resulting in evacuation can not work properly.</br> 4. Check whether the power is plugged in and whether the foreign body stuck the rotor, troubleshooting before you can restart, and observe a period of time to see whether the pump is running properly.</br> 5. If the above problems are investigated, still can not work, by professionals Repair or contact the dealer.