1. Introduction
Thank you for choosing the LEFANT M310 Ultra Robot Vacuum and Mop Cleaner. This manual provides essential information for the safe operation, maintenance, and troubleshooting of your device. Please read it thoroughly before use and retain it for future reference.
Package Contents
- LEFANT M310 Ultra Robot Vacuum and Mop Cleaner
- Charging Base
- Power Adapter
- Remote Control
- Dustbin (500ml)
- Water Tank (200ml)
- Washable Mop Cloth
- Disposable Mop Cloths (quantity may vary)
- Side Brushes (2 pairs)
- High-Efficiency Filter
- Cleaning Tool
- User Manual

Image: The LEFANT M310 Ultra robot vacuum on its charging base, with a smartphone displaying the control app. This image illustrates the main unit and its smart control capabilities.
2. Safety Instructions
To reduce the risk of injury or damage, read these safety instructions carefully and keep them handy when setting up, using, and maintaining your robot.
- 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 should be supervised to ensure that they do not play with the appliance.
- Cleaning and user maintenance shall not be made by children without supervision.
- Do not use the robot in environments with open flames or fragile objects.
- Ensure the charging base is placed on a flat surface against a wall, with clear space around it.
- Do not immerse the robot or charging base in water.
- Only use the original power adapter provided by the manufacturer.
- Before cleaning, remove loose cables, small objects, or anything that could entangle the robot.
3. Product Overview
Familiarize yourself with the components of your LEFANT M310 Ultra.
Robot Components
- Main Power Button / Indicator Light
- ToF PSD 190° Navigation Sensor
- Anti-drop Sensors
- Charging Contacts
- Side Brushes
- Driving Wheels
- Universal Wheel
- Dustbin / Water Tank Compartment

Image: This diagram illustrates the ultra-thin design of the M310 Ultra, measuring 7.9 cm in height, allowing it to easily clean under low furniture. It compares its compact size to other robot vacuums.
4. Setup
4.1 Installing Side Brushes
Press the side brushes onto the posts at the bottom of the robot until they click into place. Ensure the correct brush (L/R) is installed on the corresponding post.
4.2 Positioning the Charging Base
Place the charging base against a wall in an open, uncluttered area. Ensure there is at least 0.5 meters (1.6 feet) of clear space on both sides and 1.5 meters (4.9 feet) in front of the charging base. Connect the power adapter to the charging base and plug it into a wall outlet.
4.3 Initial Charge
Place the robot on the charging base, ensuring the charging contacts align. The indicator light on the robot will illuminate. For first-time use, fully charge the robot for at least 6 hours.
4.4 Connecting to the Lefant App
- Download the 'Lefant' app from the App Store (iOS) or Google Play Store (Android).
- Register an account and log in.
- Follow the in-app instructions to add your M310 Ultra robot. Ensure your Wi-Fi network is 2.4 GHz.
- Once connected, you can control the robot, schedule cleanings, and monitor its status from your smartphone.

Image: This image demonstrates the smart control options for the M310 Ultra, including control via the Lefant app and voice control compatibility with devices like Amazon Alexa and Google Assistant, operating on a 2.4 GHz Wi-Fi network.
5. Operating Instructions
5.1 Starting a Cleaning Cycle
- Manual Start: Press the power button on the robot once.
- App Control: Use the Lefant app to start, pause, or stop cleaning.
- Remote Control: Use the included remote control to initiate cleaning.
5.2 Cleaning Modes
The M310 Ultra offers various cleaning modes to suit your needs:
- Auto Cleaning: The robot intelligently navigates and cleans your home using its ToF PSD 190° sensor.
- Spot Cleaning: Focuses on a specific dirty area.
- Edge Cleaning: Cleans along walls and furniture edges.
- Scheduled Cleaning: Set cleaning times via the Lefant app.

Image: This diagram demonstrates the M310 Ultra's precise matrix cleaning technology and ToF navigation, ensuring a thorough cleaning path without missing any areas, unlike traditional random navigation.

Image: This illustration highlights the M310 Ultra's advanced obstacle recognition and avoidance capabilities, powered by its 190° PSD sensor, which helps it navigate around objects like toys and furniture, preventing collisions.
5.3 3-in-1 Functionality: Vacuum, Sweep, and Mop
The M310 Ultra can vacuum, sweep, and mop simultaneously or individually.
- Vacuuming: The powerful 6000Pa suction effectively picks up dust, debris, and pet hair.
- Mopping: Attach the water tank (200ml) and a mop cloth for wet cleaning. Ensure the water tank is filled with clean water.
- Carpet Detection: The robot automatically increases suction power by 30% when it detects carpets for deeper cleaning.

Image: This visual demonstrates the M310 Ultra's versatile 3-in-1 cleaning capabilities: vacuuming only (with 500ml dustbin), mopping only (with 200ml water tank), and a combined vacuuming and mopping function for comprehensive floor care.

Image: This image illustrates the M310 Ultra's effortless carpet cleaning feature, where infrared technology detects carpets and automatically boosts suction by 30% for deeper cleaning. It also highlights its intelligent navigation to prevent falls.
5.4 Suction Power Levels
Adjust suction power via the app or remote control:
- Eco Mode: Quieter operation, energy-saving.
- Standard Mode: Balanced suction for daily cleaning.
- Max Mode: Maximum suction for stubborn dirt and pet hair.

Image: This image highlights the M310 Ultra's powerful pet hair suction, facilitated by its brushless design, making it ideal for homes with pets. It also displays the quiet 55dB noise level and the three adjustable suction modes: Eco, Standard, and Max.
6. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your robot.
6.1 Emptying the Dustbin
Open the top cover of the robot, remove the dustbin, and empty its contents into a trash bin. Clean the filter regularly.
6.2 Cleaning the Water Tank and Mop Cloth
After mopping, empty any remaining water from the tank. Remove and clean the mop cloth. The washable mop cloth can be machine washed.
6.3 Cleaning Side Brushes
Periodically check side brushes for tangled hair or debris. Use the cleaning tool to remove any obstructions. Replace brushes if they are worn or damaged.
6.4 Cleaning Sensors and Charging Contacts
Wipe the anti-drop sensors, ToF sensor, and charging contacts on both the robot and the charging base with a clean, dry cloth to ensure proper function.

Image: This composite image illustrates key features and maintenance points: the two side brushes for efficient cleaning, the 500ml dustbin capacity, the robot's automatic recharging function when battery is low, and the app's ability to display the cleaned area, remaining time, and battery status (e.g., 15% battery).
7. Troubleshooting
If your robot encounters an issue, refer to the following common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Robot does not turn on | Low battery; Power button not pressed | Charge the robot; Press and hold the power button. |
| Robot cannot charge | Charging contacts are dirty; Charging base not powered | Clean charging contacts; Ensure charging base is plugged in. |
| Robot gets stuck frequently | Obstacles in the path; Too many loose cables | Clear the cleaning area; Tidy up cables. |
| Poor cleaning performance | Dustbin full; Filter clogged; Side brushes worn | Empty dustbin; Clean/replace filter; Replace side brushes. |
| App connection issues | Incorrect Wi-Fi password; 5GHz Wi-Fi network; Robot too far from router | Verify password; Ensure 2.4GHz Wi-Fi; Move robot closer to router. |
8. Specifications
| Feature | Detail |
|---|---|
| Brand | LEFANT |
| Model | M310 Ultra |
| Color | Gray |
| Suction Power | Up to 6000Pa |
| Navigation Type | ToF PSD 190° Sensor |
| Cleaning Modes | Vacuum, Sweep, Mop (3-in-1) |
| Dustbin Capacity | 500 ml |
| Water Tank Capacity | 200 ml |
| Battery Runtime | Up to 175 minutes |
| Product Dimensions (L x W x H) | 28 x 28 x 7.9 cm |
| Item Weight | 3.35 kg |
| Compatible Devices | Smartphone (Lefant App), Amazon Alexa, Google Assistant |
| Wi-Fi Support | 2.4 GHz |
9. Warranty and Support
LEFANT products come with a standard manufacturer's warranty. For detailed warranty information, please refer to the warranty card included in your package or visit the official LEFANT website.
For technical support, troubleshooting assistance, or to purchase replacement parts, please contact LEFANT customer service:
- Website: www.lefant.com (Please check for the official support page)
- Email: Refer to your product packaging or official website for contact email.
- Phone: Refer to your product packaging or official website for contact number.
When contacting support, please have your model number (M310 Ultra) and purchase information ready.







