LEFANT M3
LEFANT M3 Robot Vacuum Cleaner User Manual
Model: M3
1. Important Safety Information
Please read this manual carefully before using the LEFANT M3 Robot Vacuum Cleaner and retain it for future reference. Failure to follow instructions may result in electric shock, fire, or serious injury.
- This appliance can be used by children aged 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved.
- Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision.
- Use only the original power adapter provided with the product.
- Do not use the robot in environments with open flames or flammable materials.
- Ensure the robot is placed on a stable surface and away from water.
- Do not operate the robot if it is damaged or malfunctioning. Contact customer support.
- Before cleaning, remove any loose cables, small objects, or fragile items from the floor.
2. Package Contents
Verify that all components are present in the package:
- LEFANT M3 Robot Vacuum Cleaner
- All-in-One Docking Station
- Power Cord
- Side Brushes (x2 pairs)
- Main Brush (pre-installed)
- Mop Pads (x2 pairs)
- Cleaning Tool
- User Manual
3. Product Overview
Robot Vacuum and Docking Station

Key Features





4. Setup Guide
4.1 Unpacking and Preparation
- Carefully remove all components from the packaging.
- Remove all protective films and stickers from the robot and docking station.
- Attach the side brushes to the robot by pressing them into the designated slots until they click into place.
4.2 Docking Station Placement
- Place the docking station on a hard, level surface against a wall.
- Ensure there is at least 0.5 meters (1.6 feet) of clear space on both sides of the docking station and 1.5 meters (4.9 feet) in front of it.
- Keep the area free from obstacles, such as furniture, rugs, or power cords, that could block the robot's path to the station.
- Connect the power cord to the docking station and plug it into a wall outlet.
4.3 Initial Charge
- Place the robot onto the docking station, ensuring the charging contacts align.
- Allow the robot to fully charge before its first use. The indicator light on the robot will change when charging is complete.
4.4 App Download and Connection
- Download the 'LEFANT' app from your smartphone's app store (compatible with iOS and Android devices).
- Open the app and follow the on-screen instructions to create an account and add your LEFANT M3 robot.
- Ensure your Wi-Fi network is 2.4GHz for successful connection.
5. Operating Instructions
5.1 Starting and Stopping Cleaning
- Start Cleaning: Press the power button on the robot or tap 'Start Cleaning' in the app. The robot will begin cleaning in Auto mode.
- Pause Cleaning: Press the power button on the robot or tap 'Pause' in the app.
- Return to Dock: Press the home button on the robot or tap 'Recharge' in the app. The robot will return to the docking station.
5.2 Cleaning Modes
The LEFANT M3 offers various cleaning modes accessible via the app:
- Auto Cleaning: The robot intelligently navigates and cleans the entire accessible area.
- Spot Cleaning: Cleans a specific small area with concentrated effort.
- Zone Cleaning: Allows you to define specific zones on the map for the robot to clean.
- Custom Cleaning: Draw a specific area on the map for the robot to clean.
5.3 Mopping Function

- Ensure the clean water tank in the docking station is filled and the dirty water tank is empty.
- The robot will automatically engage mopping when on hard floors and return to the station for mop washing.
- Adjust water flow levels via the app for different floor types.
5.4 Carpet Detection and Suction Boost

The robot automatically detects carpets and increases suction power for deeper cleaning. When mopping, it will lift the mop pads by 9mm to avoid wetting carpets.
5.5 App Control and Voice Control

- Scheduling: Set cleaning schedules for specific times and days via the app.
- No-Go Zones/Virtual Walls: Define areas the robot should avoid using the app's mapping feature.
- Voice Control: Connect your robot to compatible voice assistants (e.g., Amazon Alexa, Google Assistant) for hands-free control. Refer to the app for detailed instructions on linking accounts.
6. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your robot vacuum.
6.1 Dustbin and Self-Emptying Station
- The robot automatically empties its internal dustbin into the docking station's dust bag.
- Replace the dust bag in the docking station when full (approximately every 8 weeks, depending on usage).
- Clean the dustbin filter regularly by tapping out debris or rinsing with water (ensure it's completely dry before re-installing).
6.2 Main Brush
- Remove the main brush cover and lift out the main brush.
- Use the provided cleaning tool to remove hair and debris tangled around the brush.
- Re-install the main brush and cover. Clean weekly or as needed.
6.3 Side Brushes
- Periodically check side brushes for wear or damage.
- Remove any tangled hair or debris. Replace if bristles are bent or worn.
6.4 Mop Pads and Water Tanks
- The mop pads are automatically washed by the docking station.
- For deeper cleaning, remove the mop pads and hand wash or machine wash them. Air dry completely.
- Regularly clean the clean and dirty water tanks in the docking station to prevent mold or odors.
6.5 Sensors and Charging Contacts
- Wipe the robot's sensors (cliff sensors, wall sensors, LiDAR sensor) and the charging contacts on both the robot and docking station with a clean, dry cloth.
- Ensure no dust or debris obstructs the sensors for optimal navigation.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Robot does not turn on. | Low battery; Power switch off. | Place robot on charging station; Ensure power switch is ON. |
| Robot cannot return to docking station. | Docking station obstructed; Robot too far from station. | Clear obstacles around station; Manually place robot closer to station. |
| Poor cleaning performance. | Dustbin full; Brushes tangled; Filter clogged. | Empty dustbin; Clean main/side brushes; Clean/replace filter. |
| Robot gets stuck frequently. | Too many obstacles; Cliff sensors dirty. | Clear floor of clutter; Clean all sensors. |
| App connection issues. | Incorrect Wi-Fi password; Router too far; 5GHz Wi-Fi. | Verify password; Move robot closer to router; Ensure 2.4GHz Wi-Fi. |
For more complex issues, please refer to the LEFANT app's help section or contact customer support.
8. Specifications
| Brand | LEFANT |
| Model Number | M3 |
| Color | M3 White |
| Product Dimensions (L x W x H) | 32 x 32 x 9.7 cm |
| Item Weight | 13 Kilograms |
| Battery Composition | Lithium-ion |
| Controller Type | Voice Control, App Control |
| Compatible Devices | Smartphones |
| Suction Power | 12,000 Pa |
| Navigation Type | DTOF Laser |
| UPC | 787480986306 |
9. Warranty and Support
For detailed warranty information, please refer to the warranty card included in your product packaging or visit the official LEFANT website.
If you encounter any issues or have questions regarding your LEFANT M3 Robot Vacuum Cleaner, please contact LEFANT customer support through the following channels:
- Official Website: www.lefant.com (Please check the website for specific regional support contact information.)
- In-App Support: Access the help or support section within the LEFANT app.
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