DREO HM420S (01) PDF Document

When using your DREO HM420S humidifier, please adhere to the following general safety instructions:

• Children shall not play with the appliance. Cleaning and maintenance shall not be performed by children without supervision.

• Use the appliance as described in the user manual only. Any other use not recommended may cause fire, electrical shock, or personal injury.

• This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.

• Children should be supervised to ensure that they do not play with the appliance.

• DO NOT touch or hold the mains plug with wet hands.

• DO NOT block or cover the nozzle while in operation.

• DO NOT let children or pets play with this appliance.

To ensure safe operation of your DREO HM420S humidifier, please follow these guidelines:

1. Always place this appliance on a firm, flat and level surface to avoid dropping or tilt.

2. Always place this appliance 2 feet (60 cm) above the floor, 12 inches (30 cm) away from the wall or wooden furniture.

3. DO NOT move this appliance while it is on.

4. DO NOT attempt to repair any parts on this appliance. Doing so will void your warranty. The inside of this appliance contains no user serviceable parts. All servicing should be performed by qualified personnel only.

5. Never leave water in the reservoir when the appliance is not in use.

6. Do not permit the area around the humidifier to become damp or wet. If dampness occurs, turn the output of the humidifier down. If the humidifier output volume cannot be turned down, use the humidifier intermittently. Do not allow absorbent materials, such as carpeting, curtains, drapes, or tablecloths, to become damp.

7. Do not immerse in water and any other liquids.

8. Do not use the appliance until the base is installed.

9. Do not insert your fingers, pencil and any other objects into the grilles while in operation.

10. Warning: Micro-organisms that may be present in the water or in the environment where the appliance is used or stored, can grow in the water reservoir and be blown in the air causing very serious health risks when the water is not renewed and the tank is not cleaned properly every 3 days.

For your safety, please follow these electricity guidelines when using the DREO HM420S humidifier:

1. Make sure that the voltage of your electricity supply is the same as that indicated on the appliance.

2. Always unplug before cleaning or leaving the appliance unused for a long period of time. Keep your hands dry when plugging/unplugging.

3. To avoid fire hazard, NEVER put the cord under rugs, near heat registers, radiator, stoves or heaters.

4. Do not use this appliance if the cord has been damaged to avoid fire or electric hazard.

5. Keep the cord out of heavy traffic areas and where it will not be tripped over.

6. Do not operate any humidifier with a damaged cord or plug. Discard the appliance or return to an authorized service facility for examination and/or repair.

7. Do not run cord under carpeting. Do not cover cord with throw rugs, runners, or similar coverings. Do not route cord under furniture or appliances. Arrange cord away from traffic area and where it will not be tripped over.

8. WARNING: To reduce the risk of fire or electric shock, do not use this humidifier with any solid-state speed control device.

9. This appliance has a polarized plug (one blade is wider than the other). To reduce the risk of electric shock, this plug is intended to fit in a polarized outlet only one way. If the plug does not fit fully in the outlet, reverse the plug. If it still does not fit, contact a qualified electrician. Do not attempt to defeat this safety feature.

Check the appliance regularly and refer to troubleshooting or contact customer support if it shows any of the following signs:

• Power cord or plug is damaged.

• Loud noise, unusual smell or excessive heat.

Power Button (Icon: Circle with vertical line)

• Turn the humidifier on/off.

• Long press for 7 seconds to restore WiFi and factory settings.

Manual Mode Button (Icon: Three wavy lines)

• Switch between Low/Medium/High mist level.

Auto Mode Button (Icon: ‘A’ with ‘5s for WIFI’)

• Turn Auto Mode on.

• Long press for 5 seconds to enter WiFi settings.

• When first activated, the screen will display the target humidity.

• Tap the ‘A’ button to increase the target humidity by 5% (target humidity range from 30% to 90%).

• In Auto Mode, mist level is adjusted according to your target humidity.

• Press the Manual Mode Button to exit Auto Mode.

Humidity Indicator Light Button (Icon: Light bulb)

• Turn the humidity indicator light on/off.

• You can turn off the beep sounds using the humidity indicator light button or through the DREO app.

The humidity indicator light on your DREO HM420S will change color according to your room’s humidity level:

The LED display on the DREO HM420S shows various indicators:

• Auto Mode: Indicates Auto Mode is active.

• Sleep Mode: Indicates Sleep Mode is active.

• Cartridge Change Reminder: Reminds you to change the demineralization cartridge.

• WiFi: Shows WiFi connection status.

• Timer: Indicates the timer function is set.

• Schedule: Indicates a schedule is active.

• Mist Level Indicator: Shows the current mist level (Low/Medium/High).

• Low Water Level Indicator: Flashes when the water level is low.

• Hour Indicator (h): Displayed when setting the timer.

• Humidity Percentage Indicator (%): Displayed with the humidity level.

• Humidity Level / Mist Level / Timer Hour: The central numbers display the current humidity, mist level setting, or timer hours.

Note:

• When humidity levels are below 10%, the display will show “LO”.

• When humidity levels are above 90%, the display will show “HI”.

• When the water is low, the Low Water Level Indicator will flash for 5 seconds then the humidifier will switch to standby.

• When receiving Software upgrades, the display will show “UP”, the humidifier can’t be operated until the update ends.

Before connecting, search for “DREO” in the app store, then select and download the app. Look for “HM420S” when connecting.

1. Launch the DREO app and sign in or create an account by following the in-app instructions.

2. Enable Bluetooth on your mobile device and plug in your appliance.

3. Hold the Auto Mode button (A) for 5 seconds to start WiFi connection settings. The WiFi icon will keep flashing when pairing.

4. Tap + Add Device in the app and select HM420S.

5. Follow in-app instructions to complete the WiFi connection.

6. You’re now ready to control the appliance on your app.

Tip: To restart connection settings, hold the Auto Mode button (A) again for 5 seconds. Long press the Power button for 7 seconds to unpair WiFi and restore factory settings.

You can also use the DREO app to connect your appliance to Amazon Alexa or Google Home. Please follow the in-app instructions to set up your voice assistant. NOTE: You must create a DREO account to access voice assistants.

When using your DREO HM420S humidifier for the first time, remove the wraps and follow the steps below:

1. Make sure to remove the label and the cardboard from the base.

2. Detach the included demineralization cartridge. Note: Do not remove the water valve below the cartridge.

3. Unbox the demineralization cartridge and remove all the wraps (if included).

4. Rinse all parts with water.

5. Attach the demineralization cartridge to the tank. If your humidifier doesn’t include it, replace back the original cartridge.

6. Fill the tank with water, making sure the water doesn’t pass the MAX line.

7. Put the water tank back in place and close the top cover.

8. Place the humidifier on a flat, level surface, keeping it at least 30 cm / 12 inches away from walls or any major obstacles.

ATTENTION:

• It is recommended to add purified or distilled water to prevent white powder residue from forming.

• Do not add essential oil into the water tank to avoid damage to the tank.

• Do not place the humidifier on the carpet or floor directly.

• Direct the mist away from walls, furniture and electrical appliances.

• It is recommended to place a water-resistant mat under the humidifier to catch spills and droplets.

1. Push to open the aroma pad tray located on the base of the DREO HM420S.

2. Add 5-10 drops of essential oil on the aroma pad.

3. Put the aroma pad tray back in place.

Note:

• Add essential oils on the aroma pad only. Do not add into the water tank or any other places.

• The scent may be soft, this humidifier is not intended to work as an aroma diffuser.

• The scent level cannot be adjusted.

• If the aroma pad becomes too stiff, it needs to be replaced.

Before performing any cleaning, always turn off and UNPLUG the DREO HM420S humidifier.

• Do not clean the main body under running water.

• Do not let water splash into the air outlets.

• Do not use any chemical agents when cleaning the humidifier.

• Store in a cool, dry place and cover it to protect from dust.

• Empty and clean the humidifier before storage. Clean the humidifier before next use.

• Do not overfill the humidifier due to the potential risk of electric shock.

Cleaning Steps:

1. Detach the water tank from the base.

2. Remove the demineralization cartridge and rinse with water.

3. Take out the water tank cover, drain any remaining water from the tank and the base.

4. Rinse the tank with warm water.

5. Re-attach the demineralization cartridge to the water tank.

6. Gently clean the base with a soft cloth or the included cleaning brush.

7. Wipe the tank clean with a soft, damp cloth.

8. Fill the tank with room temperature water. Do not fill with hot water.

9. Attach the water tank to the base, and replace the top cover.

Descaling is recommended once a month for the DREO HM420S humidifier.

1. Detach the water tank from the base. Take out the water tank cover and rinse it with warm water. For a thorough cleaning, you may detach the nozzle from the cover and clean it with the included brush.

2. Drain any remaining water from the tank and the base.

3. Fill the tank with a solution of citric acid and water (one teaspoon of citric acid for each gallon of water). Replace the tank cover and shake around the tank.

4. Attach the water tank to the base. Let it sit for 15-20 minutes.

5. Remove the tank and detach the cover, drain any remaining solution from the tank and the base. Rinse the tank with water.

6. Remove the water silencer, demineralization cartridge, droplet collector, and float.

7. Clean all parts with a soft cloth. You may use the included cleaning brush to remove excess mineral deposit. Make sure all parts are dry before reassembling your humidifier.

It is recommended to clean the aroma pad tray on your DREO HM420S once a week.

1. Pull out the aroma pad tray at the back of the base.

2. Rinse with water and place back into the base.

If your new DREO HM420S humidifier is leaking, please check the following:

• Make sure to remove the label and the cardboard from the float in the base.

• Ensure the float is properly secured. Fix the left prong on the bracket, then slide the other prong to secure the float in place.

• Remove any particles or hair that may be blocking the water valve.

• Make sure the humidifier is placed on a flat surface.

If your DREO HM420S does not work, please try the following steps:

1. Make sure that the cord is connected to a powered outlet and the mains voltage corresponds with the voltage indicated on the humidifier.

2. The humidifier will shut down automatically in the event of low water. Check the water level.

3. Check if the water tank is installed properly.

4. In Auto Mode, the humidifier will stop adding moisture when it reaches the room humidity target. This is normal operation.

If your DREO HM420S is not misting, please check the following:

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 on 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 have been washed with detergent, rinse thoroughly with clean water to remove any remaining detergent.

If you see white dust, it is likely due to mineral buildup from hard water. You should descale the DREO HM420S humidifier regularly. Using purified or distilled water can help prevent the formation of scale.

If the mist from your DREO HM420S has an unpleasant smell, try these solutions:

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 dry for 12 hours with the cover detached.

4. Clean the aroma pad tray and change the aroma pad.

If your DREO HM420S humidifier is leaking water, consider these causes and solutions:

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, as this can cause condensation.

3. Wipe any excess water from around the unit.

4. Do not shake the humidifier during operation.

5. Make sure to place the humidifier on a flat, level surface.

6. Check the water tank for leaks. If there are leaks, contact Customer Support.

Also, check if the water valve is not flat or if the tank leaks when refilling. Leakage may also occur due to prolonged use of essential oils, which can damage the tank.