Smart Humidifier 311S

1. Launch DREO and sign in or create an account by following in-app instructions.
2. Enable Bluetooth on your mobile device and plug in your humidifier.
3. Tap + Add Device and select the humidifier you want to link.
4. Hold the Auto Mode button for 5 seconds to start Wi-Fi connection settings. (Tip: The Wi-Fi icon will keep flashing when pairing.)
5. Follow in-app instructions to complete the Wi-Fi connection.
6. You're now ready to control the appliance on your app.
(Tip: To restart connection settings, hold the A button again for 5 seconds. Long press 10s the power button to unpair Wi-Fi and restore factory settings)

1. Make sure that the cord is connected to a powered outlet and that the mains voltage corresponds with the voltage indicated on the humidifier.
2. The humidifier will shut down automatically in the event of low water.
3. Check the water tank is installed properly.

1. Turn the mist level to a higher setting.
2. The base has too much water. Empty the base and refill the water tank (not the base).
3. Please check whether the air inlet is blocked.
4. Make sure the nozzle is not blocked.
5. Make sure the humidifier is not a flat surface.
6. The water temperature may be too low. Turn the mist level to the highest setting and let it run for a while, then adjust to the desired setting.
7. If the water tank or base has been washed with detergent, rinse thoroughly with clean water to remove any remaining detergent.

Please descale the humidifier regularly. Using purified or distilled water can help prevent the formation of scale.

1. Use purified or distilled water only. It is not recommended to use tap water
2. Change water regularly to avoid dirty water accumulation
3. Clean the humidifier and keep it done for 12 hours with the cover detached
4. Clean the aroma pad tray, and change the aroma pad.

1. Make sure the silicone sealing ring around the water outlet valve is secure.
2. Avoid running the humidifier in a room with over 60% relative humidity.
3. Wipe any excess water.
4. Do not shake the humidifier.
5. Make sure to place the humidifier on a flat, level surface.
6. Float in base not in place.
7. Check the water tank for leaks. If there are leaks, please contact support@dreo.com

1. Set the mist level to a lower setting.
2. The humidifier uses up water based on the environmental temperature and humidity. If your environment is cold and/or dry, the humidifier will run out of water faster.

1. Set the mist level to a lower setting.
2. Please do not place the humidifier directly on the carpet, as this will easily lead to clogging of the humidifier air inlet holes.
3. The humidifier may malfunction. Please stop using the humidifier and contact support@dreo.com

Humidity may be too high. Please try to turn down the mist level and turn off the humidifier, or open a door or window to the room.

1. Clean the water tank and base chamber regularly.
2. It is recommended to use purified water to slow down the growth of mold.

1. The water tank is out of water, please fill it up.
2. The water tank is not correctly placed on the base, please reposition it.
3. Clean the water filter or replace it with a new one.

1. Make sure you’ve added 10 or 15 drops of oil into the base chamber.
2. For best results, please use pure essential oil.
3. Replace your aromatherapy pad regularly.

1. The humidity in each area of the room has a certain difference, a ±5% difference in humidity is normal.
2. Please try to adjust the angle of the fog, the fog outlet should not be aimed at the humidity sensor (near the aroma tank).
3. Make sure the room is ventilated for even more humidity in the room.