Dreame D9 Robot Vacuum Cleaner FAQ

Equipped with multiple high-precision motion sensors, Dreame D9 robot also features vision positioning and navigation algorithms to accurately record movements and build maps.

Highly adaptive to complicated home environment, the robot can also detect and across obstacles, and return for charging automatically.

In terms of cleaning, it uses a front brush for sweeping and a rear wet-pad for mopping.

A powerful suction and intelligent water tank are designed for a better cleaning result. Cleaning map is viewable in Mi Home app at any time, allowing users to set cleaning time, switch operation modes, and clean the whole space with ease.

LDS laser navigation technology is to measure the relative position of the boundary and the robot vacuum by emitting invisible laser and receiving reflected light. Based on this, the position of the robot in the map is determined and a complete cleaning map is built.

The Dreame D9 is equipped with professional lidar sensors, which can scan up to 2,080 points per second with a scanning range of up to 8 m and accuracy of 10 mm.

Connect the robot with the Mi Home app and other device to control the vacuum with your phone.

Scan the QR code, download and install Mi Home. Users who already installed the app will directly enter the connection page. You can also search Mi Home in app store to download and install the app. Enter the home page of Mi Home, tap "+" on the upper right corner, and follow the instructions to add the device.

Tip: Due to different firmware versions of the app, actual operation may be slightly different from the above.

In standby mode, press the Spot Clean button to enter Local Clean mode, where the robot will clean a square area with a side length of 1.5 meters centered on itself. After cleaning is finished, robot will automatically return to the starting position and stop working.

Launch Mi Home APP, go to Settings - Experimental Features and enable Carpet Boost, where D9 will automatically detect carpets and boost the suction power for optimal cleaning effect.

Tip: Carpet detection has a certain probability of misidentification when using on low pile carpet.

When first started, the robot will clean along the edge of an area by 4.5*4.5m, then clean the inner part by S-shape path until covering this area. After the area is clean, it will clean all other areas in your house by the same principle. After the map has been generated, the robot will clean according to the rooms, by the order which edge cleaning first, then S-shape path cleaning until covering all rooms, it is efficient way to prevent any missed areas. After cleaning, it will automatically return to the dock for charging.

Place the dock against the wall on level floor, and keep a space of more than 0.5 meters on both sides of the dock. Connect the plug to a power socket. For a better app control experience, make sure the dock is connected to Wi-Fi.

Note: Do not place the dock in direct sunlight or block the identification area with any objects, otherwise the robot may fail to return automatically.

Press the power button and hold. When the indicator turns solid, Dreame D9 will automatically connect with the dock for charging.

Note: Dreame D9 may fail to power on in low battery. Please connect the robot with the dock manually.

1）Install the mop: Wet the mop pad and wring it out until it stops dripping, insert it all the way along the slots of the water tank, and stick it firmly.

2）Fill the water tank: Open the cover of the water tank, fill with water and close the cover.

3）Align the mop module with the markings in the rear of the robot, keep the module level and push in until you hear a click sound, indicating it is properly installed.

4）Start mopping: Press the power button once to start mopping.

Notes: Do not use the mop mode when no one is at home; Do not mop on carpets; Please use detergent carefully as it may clog the filter of the water tank. When charging or not in use, please remove the mop module, pour the remaining water and clean the mop to avoid mold or odor.

After D9 returns to the dock after cleaning, press the buckles on both sides of the mop module, and pull back to remove the water tank.

Press the power button once to start cleaning. Press any button during cleaning to pause.

Note: Dreame D9 may fail to work when battery is too low. Please charge before use.

When the battery is insufficient in the middle of a cleaning task, Dreame D9 will automatically return to dock for charging, and return to the interrupted point to continue cleaning after charging.

Please tidy up all kinds of wires on the floor (including the power cable of the dock) before cleaning to avoid power failure, items or wire damage caused by the robot during cleaning.

If cleaning is complete in less than 10 minutes, D9 will cleaned twice by default.

After cleaning, D9 will automatically return to the dock for charging， in pause status, press the dock button for charging, the buttons will flash slowly when charging. Power ≤ 15% is indicated by orange flashes, power > 15% is indicated by white flashes.

Tip: If the D9 fails to return to dock, it will automatically return to the starting point of cleaning. Please manually put the robot back to the dock for charging.

1. Face the bottom of D9 up, press the buckle to remove the main brush protector.

2. Take out the main brush by pulling upward and clean the bearing.

3. Remove the end cover at both sides of the main brush to clean the tangled hair.

4. Cut off the tangled hair on the main brush with the cleaning tool in the box.

5. Install the main brush and press the buckles to fix the protector.

Tip: It is recommended to clean the main brush every week and replace every 6-12 months for a better cleaning result.

1）Open the upper cover of the robot, press the buckle to remove the dust compartment;

2）Open the compartment cover marked with the arrow and remove the debris inside;

3）Fill the dust compartment with water, close the cover, shake the compartment left and right, pour out, and repeat for several times;

Note: Wash the compartment with water only. Do not add any detergent or clean the filter screen with finger or brush.

4）Remove the filter screen as illustrated, spin off the water, dry the filter before installing it back to the compartment for use.

Note: Ensure the filter is dried up (for at least 24 hours) before use

1. Turn the robot over and pull the driving wheels upward.

2. Clean the hair and dirt on the wheels and axles.

3. Reinstall the wheels by pressing them firmly down.

Note: Driving wheels can be rinsed with running water. Make sure to dry up before use.

1. Remove the mop pad from the module.

2. Wash and dry the mop.

Tip: It is recommended to clean up after each time after use. Remove the mop after cleaning, in case the sewage backfills the water tank and clog the outlet; Dirty mop will affect the mopping result. Please clean it before use. It is recommended to replace the mop every 3-6 months for a better cleaning result.

1. Remove the mop pad from the module.

2. Wash and dry the mop.

Tip: It is recommended to clean up after each time after use. Remove the mop after cleaning, in case the sewage backfills the water tank and clog the outlet; Dirty mop will affect the mopping result. Please clean it before use. It is recommended to replace the mop every 3-6 months for a better cleaning result.

The Dreame D9 is powered by a built-in high-performance Li-Po rechargeable battery pack. In order to maintain battery performance, please keep the robot charged for daily use.

Tip: If you do not use it for a long time, make sure it is powered off before storage, and charge it at least once every three months to avoid damage caused by battery over-discharge.

If D9 still fails to operate normally after restarting, press and hold the reset button with a tool until hearing the voice prompt "start to restore factory settings".

Dreame D9 only supports 2.4G Wi-Fi network. 5G Wi-Fi is not supported.

Make sure the robot and your phone are close to the router with strong Wi-Fi signals.

When connecting to the hot spot of Dreame D9, return to Mi Home app to wait for connection result after hearing the voice report.

Ensure the location permission of the app has been enabled before network connection. Failure to enable the permission will result connection failure.

If the network still fails, please try to restart the host and router.

Check the current water level in the water tank, install the mop properly according to instructions, and clean the mop in time.

Before mopping, please wet the pad for a better mopping experience before the robot squirts water.

Make sure the D9 is fully charged before cleaning.

Tidy up the space, put away fragile items and objects on the floor before cleaning.

When cleaning on tile or wood floor, D9 may produce a slight sound when its bottom rubs on the floor.

D9 will clean and sweep the joins on the floor as it passes through, which may produce a slight rattling sound.

These are all normal sounds and will not affect cleaning results.

When cleaning, the D9 may get stuck by slippers, plastic bags and other household clutters. Remove the clutters and put D9 back to the cleaned area close to the interrupted point.

Please clean up clutters on the floor to prevent the robot getting stuck during cleaning.

When cleaning, the side brush and main brush may be entangled by power cords or charging cables on the floor. Please try to place the host in the cleaned area nearby to continue cleaning after tidying up the cables.

Please clean up clutters on the floor to prevent the robot from tangling during cleaning.

Moving D9 to an uncleaned area will cause repositioning failure. Ensure D9 is moved to a cleaned area.

If a person is standing next to the D9, it will fail to reposition itself. Do not stand next to D9 and ensure the camera has full access to all feature points in the room.

D9 may fail to reposition itself in low lights. Please ensure sufficient light for repositioning.

The D9 can cross obstacles up to 20mm high, which is shorter with water tank installed.

The max obstacle height will also decrease when D9 is working on slippery floor.

After D9 is charged and stored for a long time, it is normal for the battery to drop quickly in the first few minutes during cleaning. After this, the power consumption will return to normal.

Battery will also drop faster in Turbo mode.

Check if there are too many obstacles around the dock. Put the dock in an open area free of obstacles within 0.5 m on both sides and 1.5 meters in front of the dock.

If D9 does not start from the dock for cleaning, it may fail to find the dock after finishing up. Please ensure D9 starts cleaning from the dock.

Moving D9 to an uncleaned area will cause repositioning failure. In this case, restart the task.

Odor is caused by dirty mop that is not washed in time after cleaning. Please clean the rag in time after mopping the floor.

The dust compartment may also emit odor with liquid getting inside. Please clean the dust compartment in time after cleaning.

Make sure the remaining battery of D9 is over 15% before updating.

Check network connection.

Check network connection;

Restart the app and try again.