
Dreame L40 Ultra CE Robot Vacuum and Mop Self-Cleaning

Safety Information
To avoid electric shock, fire or injury caused by improper use of the appliance, please read the user manual carefully before using the appliance and keep it for future reference.
Usage Restrictions
- This product should not be used by children younger than 8 years old, nor by persons with physical, sensory, or intellectual deficiencies, or limited experience or knowledge, without the supervision of a parent or guardian to ensure safe operation and to avoid any risks. Children shall not perform cleaning and maintenance without supervision.
- The appliance is to be used only with the power supply unit provided with it.
- This appliance contains batteries that are only replaceable by skilled persons.
- Clear the area to be cleaned. Children shall not play with the appliance. Ensure children and pets are kept at a safe distance from the robot while it is operating.
- Do not install, charge, or use the appliance in the bathrooms or around the pools.
- This product is for floor cleaning in a home environment only. Do not use it outdoors, on non-floor surfaces, or in a commercial or industrial setting.
- Ensure that the appliance operates correctly in a proper environment. Otherwise, do not use the appliance.
- If the power cord is damaged, it must be replaced by a special cord or assembly available from the manufacturer or its service agent.
- Do not use the robot in an area suspended above ground level without a protective barrier.
- Do not place the robot upside down. Do not use the LDS cover, robot cover, or bumper as a handle for the robot.
- Do not use the robot at an ambient temperature above 40°C or below 0°C or on a floor with liquids or sticky substances.
- To prevent damage or harm from dragging, clear any loose objects from the floor, and remove cables or power cords on the cleaning path before operating the appliance.
- Remove fragile or small items from the floor to prevent the robot from bumping into and damaging them.
- Keep hair, fingers, and other body parts away from the suction opening of the robots.
- Keep the cleaning tool out of reach of children.
- Do not operate the appliance in a room where an infant or child is sleeping.
- Do not place children, pets, or any item on top of the robot, regardless of whether it is stationary or moving.
- Do not use the robot to clean any burning objects. Do not use the robot to pick up flammable or combustible liquids, corrosive gases, or undiluted acids or solvents.
- Do not vacuum hard or sharp objects. Do not use the appliance to pick up objects such as stones, large pieces of paper or any item that may clog the appliance.
- Plug must be removed from the socket-outlet before cleaning or maintaining the appliance.
- Do not wipe the robot or the base station with a wet cloth or rinse them with any liquid. After cleaning washable parts, fully dry the parts before reinstalling and using them.
- Please use this product in accordance with the instructions in the User Manual. Users are responsible for any loss or damage that arise from improper use of this product.
Batteries and Charging
- Do not use any third-party battery or base station with auto-empty. The robot can only be used with the model RCDD0301 base station with auto-empty.
- Do not attempt to disassemble, repair, or modify the battery or the base station with auto-empty on your own.
- Do not place the base station with auto-empty near a heat source.
- Do not use a wet cloth or wet hands to wipe or clean the charging contacts of the base station with auto-empty.
- Do not improperly dispose of old batteries. Unneeded batteries should be discarded at an appropriate recycling facility.
- If the power cord becomes damaged or broken, stop using it immediately and contact after-sales service.
- Make sure the robot is turned off when being transported and kept in its original packaging if possible.
- If the robot will not be used for an extended period of time, fully charge it, then turn it off and store it in a cool, dry place. Recharge the robot at least once every 3 months to avoid over-discharging the battery.
Laser Safety Information
- The laser sensor in this product meets the IEC 60825-1:2014/EN 60825- 1:2014/A11:2021 Standard for Class 1 laser products. Please avoid direct eye contact with it during use. CLASS 1 LASER PRODUCT CONSUMER LASER PRODUCT EN 50689:2021
Product Overview
Package Contents

Other Accessories

Robot

Status Indicator
- Solid White: Cleaning or cleanup completed
- Breathing White: Charging (not low battery)
- Solid Orange: Awaiting a low battery or paused at la ow battery
- Breathing Orange: Charging (low battery)
- Blinking Orange: Error
Note:
- Press any button on the robot to pause while the robot is cleaning or returning to charge.
- Child Lock can be enabled/disabled through the app.
Robot and Sensors


Dust Box

Mop Assembly

Base Station

Preparing Your Home

- Before cleaning, please move away unstable, fragile, valuable or dangerous items, and clean up cables, cloths, toys, hard objects, and sharp objects on the ground to avoid being entangled, scratched, or knocked over by the robot and causing losses.

- Before cleaning, place a physical barrier at the edge of the stairs and sofa to ensure the secure and smooth operations of the robot.

- Open the door of the room to be cleaned, and put the furniture in its proper place to leave more space.

- To prevent the robot from not recognizing areas that need to be cleaned, do not stand in front of the robot, threshold, hallway, or narrow places.
Note:
- When operating the robot for the first time, follow it around while cleaning to remove any potential obstacles in time.
- Do not vacuum hard objects like stones, steel balls, and toy parts, or sharp objects like construction waste, broken glass, and nails, the ground may be scratched.
Before Use
- Place the Base Station and Connect to an Electrical Outlet
Place the base station in a location that is as open as possible with a good Wi-Fi signal. Remove any objects that are closer than 1.5 m from the front and 5 cm from either side of the base station. Insert the power cord into the base station and plug it into the socket.
Note:- Make sure that no objects might block the signaling area.
- To prevent water stains from wetting wood floors or carpets, placing the base station on tile floors or marble floors is recommended.
- Install the Ramp Extension Plate

- Remove Robot Protections, and Install the Side Brush and Mop Assembly

- Connect the Robot to the Base Station
Press and hold the power button on the robot for 3 seconds to turn it on. Place the robot onto the base station with the mop assembly facing toward the washboard. Then you will hear a voice notification when the robot successfully connects to the base station.
Note: It is recommended to fully charge the robot before its first use. When the robot cannot be turned on after the battery is depleted, manually connect the robot with the station to charge it. - Add the Cleaning Solution
- Remove the dust tank cover and pull out the auto-detergent compartment.
- Open the upper lid of the compartment and add the cleaning solution.
- Close the lid of the compartment, put it back into the base station, and then reinstall the dust tank cover. The cleaning solution will be added automatically while working.

Note:- The auto-detergent compartment can be filled up with cleaning solution for use. Do not add any liquid other than the officially-approved cleaning solution to help prevent malfunction.
- Install the auto-detergent compartment until it clicks into place.
- Add Water to the Clean Water Tank

Take out the clean water tank from the base station and fill up the tank with clean water. Then install it back into the base station.
Note: Do not add hot water to the water tank, as this may cause the tank to become deformed.
Connecting with the Dreamehome App
- Download the Dreamehome App
Scan the QR code on the robot, or search “Dreamehome” in the app store to download and install the app.
Note:- Only 2.4 GHz Wi-Fi is supported.
- Due to upgrades in the app software, the actual operations may differ from the directions in this manual. Please follow the instructions based on the current app version.
- Add Device
Open the Dreamehome app, tap “Scan QR code to connect, and scan the same QR code on the robot again to add the device. Please follow the prompts to finish the Wi-Fi connection.
Note:- If you want to reset Wi-Fi, repeat step 2 and then follow the prompts to finish the Wi-Fi connection.
- To disconnect the device from Wi-Fi network, press and hold the Reset button on the robot for 3 seconds.

How to Use
Turn On/Off
Press and hold the power button for 3 seconds to turn on the robot. Place the robot onto the base station, the robot should turn on automatically and begin charging. To turn off the robot, remove the robot away from the base station and press and hold the power button for 3 seconds.
Fast Mapping
After configuring the network for the first time, follow the instructions in the app to quickly create a map. The robot will start mapping without cleaning. When the robot returns to the base station, the mapping process has been completed and the map will be saved automatically.
Pause/Sleep
When the robot is running, press any button to pause it. If the robot is paused for more than 10 minutes, it automatically enters sleep mode. All indicators on the robot will turn off. Press any button on the robot, or use the app to wake up the robot.
Note: If the robot is paused and placed onto the base station, the current cleaning process will end.
Auto Resume Cleaning
If the battery is too low, the robot will automatically return to the base station to charge. After charging to the appropriate battery level, it will resume unfinished cleaning tasks.
Note: To use this function, please enable it in the app.
Do Not Disturb (DND) Mode
When the robot is set to the Do Not Disturb (DND) mode, the robot will be prevented from resuming cleaning and the power indicator goes out. The DND mode is disabled by default at the factory. You can use the app to enable the DND mode or modify the DND period. The DND period is 22:00-8:00 by default.
Note:
- The scheduled cleaning tasks will be performed as usual during the DND period.
- The robot will resume cleanup where it left off after the DND period expires.
Spot Cleaning
When the robot is waiting, press the button briefly to enable the spot cleaning mode. In this mode, the robot cleans a square-shaped area of 1.5 x 1.5 meters around it and returns to its starting point once the spot cleaning is completed.
Robot Restarting
If the robot stops responding or cannot be turned off, press and hold the power button for 10 seconds to forcefully turn it off. Then, press and hold the power button for 3 seconds to turn the robot on.
How to Use
Vacuum and Mop
Note: When using the mop assembly for the first time, the robot performs the “Vacuum and Mop” task by default.
- Start cleaning
Press the power button on the robot, or use the app to make the robot start from the base station. Then the robot will plan the optimal cleaning route and perform the cleaning task based on the created map.
Note:- To ensure the robot easily returns to the base station after cleaning, it is recommended to make the robot start from the base station.
- The mop pads will be cleaned before the robot starts mopping. Please wait patiently.
- Do not move the base station, the clean water tank, the used water tank, or the washboard during operation.
- Auto mop washing
When cleaning, the robot will automatically return to the base station to wash mop pads based on the mop pad cleaning frequency specified in the app. The base station will automatically refill the robot’s water tank and the robot will resume cleanup.
- Automatically empty the dust box and wash and dry the mop pads
After the robot finishes a cleaning task and returns to the base station to charge, the base station will automatically start emptying the dust box. Then it will wash and dry the mop pads.
Note:- If the auto-empty function is turned off in the app, the base station will not automatically empty the dust box.
- The base station will empty the dust box according to the setting in the app.
- Clean the used water tank
After the robot has completed its task, please clean the used water tank to prevent any odor.
Mop after Vacuuming
Enable the mopping after vacuuming function in the app, and the robot will automatically lift the mop assembly to vacuum the floor. After vacuuming is completed, the robot will return to empty the dust box, and then start mopping after automatically lowering the mop assembly.
Vacuum Only
Enable the vacuuming function in the app, and the robot will automatically lift the mop assembly and start vacuuming.
Mop Only
Enable the mopping function in the app, and the robot will check if the mop assembly is installed. If not, manually install the mop assembly, and then the robot will automatically start mopping.
Routine Maintenance
Parts
To keep the robot in good condition, it is recommended to refer to the accessory usage in the app or the following table for routine maintenance.

Note: The replacement frequency will depend on your usage of the robot. If an exception occurs due to special circumstances, the parts should be replaced.
Battery
The robot contains a high-performance lithium-ion battery pack. Make sure that the battery remains well-charged for daily use to maintain optimal battery performance. If the robot is not used for an extended period of time, turn it off and put it away. To prevent damage from over-discharging, charge the robot at least once every three months.
Troubleshooting


For more support, contact us via https://global.dreametech.com
Specifications
Robot

Rechargeable Lithium-ion Battery Pack

Base Station

Under normal use conditions, this equipment should be kept at a separation distance of at least 20 cm between the antenna and the body of the user.
Note: Rated Power (during charging and drying) is determined by the power value during the full load period.
Base Station/Charging Dock
Power consumption in standby mode: ≤0.5W (within 15 minutes after the robot leaves the base station/charging dock)
Robot&Base Station/Charging Dock
The equipment does not have a standby mode or other equivalent states in terms of standby requirements, power management function, or the ability to deactivate wireless network connections due to battery maintenance needs. The power consumption of the equipment is likely to be higher than that of other equipment models meeting these functional requirements.
Battery Disposal and Removal
The built-in lithium-ion battery contains substances that are hazardous to the environment. Before disposing of the battery, make sure the battery is removed by qualified technicians and discarded at an appropriate recycling facility.
- The battery must be removed from the appliance before it is scrapped.
- The appliance must be disconnected from the supply mains when removing the battery.
- The battery is to be disposed of safely.
CAUTION:
Before removing the battery, disconnect the power and run the battery out as much as possible. Unneeded batteries should be discarded at an appropriate recycling facility. Do not expose to a high-temperature environment to avoid the risk of explosion. Under abusive conditions, liquid may be ejected from the battery. If contact occurs, flush with water and seek medical help.
Removal Guide:
- Turn over the robot, use a proper tool to remove the screws on the back of the robot, and then remove the cover.
- Unplug the terminals between the battery and the PCB board to remove the battery.
WEEE Information

All products bearing this symbol are waste electrical and electronic equipment (WEEE, as in Directive 2012/19/EU), which should not be mixed with unsorted household waste. Instead, you should protect human health and the environment by handing over your waste equipment to a designated collection point for the recycling of waste electrical and electronic equipment, appointed by the government or local
authorities. Correct disposal and recycling will help prevent potential negative consequences to the environment and human health. Please contact the installer or local authorities for more information about the location as well as the terms and conditions of such collection points.
The word “Dreame” is the abbreviation of Dreame Technology Co., Ltd. and its subsidiaries in China. It is the transliteration of the company’s Chinese name ” 追觅”, which means striving for excellence in every endeavor and reflects the company’s vision of continuous pursuit, exploration, and search in technology.
For moe manuals by Dreame, visit ManualsLibraryy
Dreame L40 Ultra CE Robot Vacuum and Mop Self-Cleaning -FAQs
What is the Dreame L40 Ultra CE Robot Vacuum and Mop?
It is a smart cleaning device with vacuuming, mopping, and self-cleaning functions. It features advanced navigation, obstacle avoidance, and can clean multiple floor types automatically.
How does the Dreame robot vacuum work?
It uses smart sensors, cameras, and LiDAR/3D mapping to detect obstacles, plan cleaning paths, and adjust suction and water flow based on floor type.
Does the Dreame L40 Ultra have a camera?
Yes. It has a smart camera and 3D structured light sensors for precise navigation, obstacle avoidance, and pet-safe zones.
Can Dreame clean in the dark?
Yes. Its sensors and built-in LED allow it to navigate and clean even in low-light or dark rooms.
Can I use the Dreame robot vacuum without Wi-Fi?
Yes. Basic functions like start, stop, and pause work without Wi-Fi, but app-based features such as mapping, no-go zones, and remote control require a network connection.
How do I connect my Dreame vacuum to Wi-Fi?
Use the Dreame app to follow step-by-step instructions for pairing. Ensure your network is stable and within range of the device.
Can the Dreame vacuum clean multiple floors?
Yes. Move the robot and its charging station to a new floor for initial mapping. After that, the vacuum can clean different levels independently.
How long does it take to charge fully?
About 3.5 hours. The charging indicator shows when it is fully charged.
How do I know when the vacuum is fully charged?
The charging light indicates progress and turns off once charging is complete.














