Lefant M3 Robot Vacuum Cleaner User Manual

1. Introduction

Thank you for choosing Lefant. This manual will guide you to fully understand and quickly install your robotic vacuum cleaner (referred to as "the robot"). It also provides detailed information on usage and maintenance to help you achieve the best product experience.

For more information, please visit the official website of Lefant ROBOTICS: www.lefant.com.

1.1. App Download and Connection

You can scan the QR code below or download the "Lefant" app from your app store to connect to the robot and unlock more features.

Scan to download the Lefant App

Kind Reminder:

• After installation, follow the mobile app instructions for registration, logging in, and network configuration.
• Before configuring the network, ensure your phone and home network are connected.

2. Safety Information

2.1. Precautions

• This product is only for floor cleaning in home environments. Do not use it outdoors, on non-floor surfaces, or in commercial/industrial settings.
• Clean or maintain the base station and robot only when powered off.
• Do not use the robot or base station as toys. Supervise children and pets when the robot is operating.
• Do not use this product in rooms where infants or young children are sleeping.
• Do not allow children or people with physical, mental, or sensory impairments to operate this product.
• If used in a suspended environment (e.g., duplex floor), use a sturdy physical barrier to prevent falls.
• Keep limbs and body parts of people or pets away from rotating brushes or machine gaps to avoid injury.
• Before use, clear scattered wires and other debris, and move fragile, valuable, or dangerous objects to prevent entanglement, sticking, dragging, or knocking over.
• Ensure no standing water on the floor to prevent water damage to the robot.
• Do not clean burning objects (e.g., cigarette butts, matches, ashes) or flammable/explosive items (e.g., lighters, gasoline, toner).
• Ensure dust bin, filter, dust bag, side brush, mop, main brush, and main brush cover are installed correctly.
• Do not use the product without a dust bag.
• Be careful of scalding by hot water. Do not touch the water outlet of the base station.
• Do not use any liquid to douse the robot and the base station.
• Do not use it to clean long-haired carpets (some dark-colored carpets may not be cleaned properly).
• If the product is damaged, do not use it and contact after-sales service.

2.2. Battery and Charging

• Use only the charging base station provided by the manufacturer.
• Ensure a qualified power source with reliable grounding.
• Do not disassemble, repair, or modify the battery or charging base station without authorization.
• Unplug the power plug if the charging base station will not be used for an extended period.
• Dispose of used batteries professionally.
• Do not use third-party batteries, chargers, charging cables, or charging docks.
• Do not wipe charging pins with wet wipes or hands.
• Use the product in an environment where the power supply voltage matches the base station's marked voltage.
• When transporting, ensure the product is powered off and use original packaging.
• Do not use a power cord not included with the product.
• If the usage area is prone to thunderstorms or unstable voltage, take appropriate protective measures.
• Using this product with any power converter is prohibited.
• Do not use a damaged power cord.
• For long-term storage, fully charge, turn off, and store in a cool, dry place. Charge at least monthly.

2.3. FCC and IC Statements

To satisfy RF exposure requirements, a separation distance of 20 cm or more should be maintained between this device and persons during device operation. Operations at closer than this distance are not recommended. The antenna used for this transmitter must not be co-located in conjunction with any other antenna or transmitter.

This device complies with Part 15 of the FCC Rules and Industry Canada's licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

3. Product Introduction

3.1. Key Features Overview

3.2. Robot Components

3.3. Base Station Components

3.4. Button Operation and Light Effects

• Press and hold for 3 seconds: Power on (robot automatically powers on when charging).
• Single click: Start or pause.
• Double click: Automatically return for charging.
• Press and hold for 6 seconds: Enter network configuration state (for app pairing).
• Press and hold for 12 seconds: Power off.

Button Light Effects:

• Purple light breathing: Charging (Battery level < 50%).
• Blue light breathing: Charging (Battery level > 50%).
• Blue light flashing: Robot enters network configuration state.
• Red light staying on: Robot automatically returns for charging due to low battery level.

4. Setup

4.1. Preparation Work

1. Clear the Area: Before starting, clean up scattered wires, hard objects, and sharp objects (e.g., iron nails, glass) from the floor. Move items that are easy to tip over, fragile, valuable, or dangerous to prevent entanglement or damage.
2. Physical Barrier for Suspended Environments: If using in a suspended environment (e.g., duplex floor), ensure a firm physical barrier is in place to prevent accidental falls.
3. Avoid Water: Ensure no accumulated water on the floor. Do not wash the main unit with water to prevent damage from water penetration.
4. Install Mop Mounting Shaft and Side Brush: Align and install the mop mounting shaft and the side brush onto the robot. You will hear a "click" sound when installed correctly.
5. Remove Protective Film: Remove all protective film from the robot.

4.2. Base Station Installation

Place the base station on a flat, horizontal hard floor indoors. Insert the power cord into the power socket. Ensure there are no objects within 0.5 meters on both sides and 1.5 meters in front of the charging station to prevent signal blockage. Avoid placing reflective objects (e.g., floor mirrors) around the charging station.

4.3. Watering the Clean Water Tank

1. Lift the clean water tank upward.
2. Open the upper cover of the water tank and add clean water.
3. Tightly close the upper cover and install the clean water tank back into the base station.

Note: Do not pour hot water into the tank, as it may cause deformation. Do not add cleaning solution to the tank, as it may result in an excessively high concentration, affecting normal use.

4.4. Adding Cleaning Solution

1. Remove the clean water tank.
2. Open the sealing plug of the cleaning solution box and pour the cleaning solution into the box.
3. Close the sealing plug and install the water tank back into the base station.

Attention: Do not add any non-official cleaning solutions or disinfectants, as this may cause damage. If not using floor cleaning solution, this step can be skipped.

4.5. Power On and Charge

Press and hold the power button for 3 seconds to turn on the device. After the power indicator light stays on and you hear the voice prompt, place the robot in front of the powered-on base station. Press the power button twice briefly, and the robot will automatically return to the base station for charging. Keep the robot charged for daily use to maintain battery performance.

5. Operating Instructions

5.1. Start Cleaning

Briefly press the power button to start cleaning. The robot will dynamically plan its cleaning route, typically mapping along walls first, then cleaning in a zigzag (bow-shaped) path.

Notes:

• To ensure smooth return to the base station, let the robot start automatically from the charging state.
• Do not move the base station during cleaning.
• If the robot's battery is low, charge it before cleaning.
• Tidy up wires and valuable items on the floor before cleaning to avoid entanglement or damage.
• If cleaning time is less than 5 minutes, a new map will not be created.
• If the battery is insufficient during cleaning, the robot will return to the base station. It will resume cleaning after reaching 80% charge.
• When cleaning, the mop will rise by default on carpets. You can set carpet avoidance in the mobile app.
• Select pure sweeping or sweeping and mopping mode via the app before each task.

5.2. Pause

During operation, press the power button once to pause. Press it twice to send the robot back to the charging dock. In the paused state, press once to resume cleaning. Alternatively, manually place the robot back to terminate the task.

5.3. Auto-sleep Mode

If inactive for more than 5 minutes, the robot enters dormant state. Press any key to wake it. If battery is below 70%, it shuts down after 24 hours of standby. If below 30%, it shuts down after 10 minutes of dormancy.

5.4. Do Not Disturb Mode

The default DND period is 22:00 to 08:00. This can be modified or turned off via the mobile app (Settings > Do Not Disturb). You can also configure cleaning tasks, automatic resume, dust collection, mop washing/drying, and voice broadcast/indicator lights during DND.

5.5. Charging

After cleaning, the robot automatically returns to the base station for charging. Press the power button twice briefly to send it back. The button indicator light flashes in a breathing pattern while charging and turns off when fully charged.

Note: If the robot cannot find the base station, it returns to its starting position. Manually place it back on the base station.

5.6. Dust Collection

After cleaning, the robot returns to the base station and automatically detects if dust collection is needed. You can also manually start/pause dust collection via the app.

Note: Do not manually initiate dust collection multiple times in quick succession. Ensure the dustbin cover and disposable dust bag are properly installed.

5.7. Air Dry

After cleaning, the robot returns to the base station to clean the mop, then air-dries it automatically.

5.8. Clean the Mop

When starting a sweeping and mopping task, the robot cleans the mop first. The mop washing interval can be set in the app. After washing, it returns to the relay point to continue cleaning. You can manually control mop washing via the app. Mop washing can be stopped in the device settings.

Note: To ensure proper mop cleaning, let the robot start automatically from the charging state. Do not move the base station during cleaning.

6. Daily Maintenance

Note: Always power off the base station and robot before cleaning or maintenance. Component replacement frequency depends on usage. Replace abnormally worn components promptly.

6.1. Main Brush

1. Flip the robot over, squeeze the buckle of the main brush cover, and remove the main brush cover upwards.
2. Lift the main brush upward, remove entangled hair/dirt, and then reinstall it.
3. Install the main brush cover back onto the robot, ensuring it's inserted into the slot and pressed down firmly until a "click" is heard.

6.2. Dustbin

1. Remove the magnetic suction upper cover, then lift out the dustbin.
2. Take out the filter bracket assembly and empty the garbage.
3. Remove the high-efficiency filter from the filter bracket assembly and clean it with a brush. Do not wash with water.
4. The main body of the dustbin and the filter bracket can be washed with water. After washing, let them dry in the sun for at least 24 hours until completely dry before reinstalling.

6.3. Mop

Note: Clean the mop regularly or replace it if severely dirty to maintain cleaning effectiveness.

1. Remove the mop from the mop bracket, clean it, and let it dry completely in the sun.
2. After drying, align and install the mop onto the mop bracket, ensuring it is firmly attached.

6.4. Main Unit Sensors

Wipe and clean each sensor of the main unit with a soft dry cloth:

• Obstacle avoidance sensor.
• Laser navigation sensor.
• Anti-fall sensor (recommended to clean weekly to prevent dust blockage).

6.5. Main Unit Components (Wheels)

Clean the universal wheels and driving wheels with a soft dry cloth as needed.

6.6. Moving the Base Station

When moving the base station, grasp the power supply groove on the back with one hand and the inner side of the front with the other hand, and lift it up. Do not directly lift the base plate, water tank, water tank handle, or dust collection bin cover to avoid damage or falling.

6.7. Waste Water Tank

Remove the wastewater tank, empty it, and clean it thoroughly with tap water. Wipe off water stains and reinstall it into the base station.

6.8. Charging Spring Contact

Wipe and clean the charging contacts of the main unit and the base station with a soft dry cloth.

6.9. Replacing the Disposable Dust Collection Bag

1. Hold the cover plate of the dust collection bin with both hands and open it outward. Take out the disposable dust bag and discard it. Ensure no garbage leaks inside the bin.
2. Insert a new disposable dust bag into the card slot, ensuring it's all the way to the bottom. Spread the dust bag flat. Install the cover plate to ensure it is fully fixed and sealed.

6.10. Cleaning Tray Assembly

1. Press the buttons on both sides of the cleaning tray simultaneously and pull it out.
2. Wash the cleaning tray and its filter screen thoroughly with water, and let them air dry completely.
3. Install the cleaning tray assembly back into the base station, ensuring it's flat against the bottom and pushed in until a "click" is heard.

7. Troubleshooting (Frequently Asked Questions)

If you encounter issues, refer to the table below. If problems persist, contact official after-sales service.

8. Specifications

8.1. Robotic Vacuum Cleaner

8.2. Self-Cleaning Dust Collection Charging Base Station

*The maximum power measured during the hot water cloth washing function.

9. User Tips

• Easy Setup: Users find the setup and installation process very practical and straightforward.
• Powerful Cleaning: The 12000Pa suction is highly effective on all floor types (parquet, carpet, tiles) and excels at picking up pet hair, cat litter, and small debris.
• Smart Navigation: The robot's navigation is reliable, avoiding obstacles efficiently, and the app control is intuitive for setting cleaning zones and schedules.
• Compact Design: Its compact size allows it to easily clean under furniture and reach tight corners.
• Anti-Tangle System: The anti-tangle features effectively prevent hair from blocking the brushes.
• Battery Life: The battery life is sufficient for cleaning an entire apartment on a single charge, with automatic return to the charging station.
• Noise Level: While cleaning noise is generally acceptable, the drying phase can be a bit loud.
• Mapping: The robot creates maps independently, though some users noted that initial mapping might require retries for full coverage.
• Maintenance Tip: If the dust collector arms become bent, a user tip suggests immersing them in boiling hot water to reshape them.
• Extra Parts: The product often comes with extra replacement parts, so you might not need to order them separately right away.

10. Warranty and Support

10.1. Warranty Information

This warranty covers the repair or replacement of the malfunction device at our company's discretion for a period of 1-year. This certificate is void if altered. The serial number and all accessories must be provided for warranty coverage.

Exclusion: The warranty does not apply to defects related to consumable parts (filters, brushes), rough/inappropriate handling, accident, misuse, neglect, fire, water, natural disasters, improper operation/maintenance, unauthorized repair/modification, inadequate packaging for transportation, use of non-compliant parts/accessories, commercial use, consequential/incidental damages, products from unauthorized dealers, products used outside the country of purchase, or lost/stolen products.

10.2. Contact Support

If you encounter situations not properly addressed in this user manual, please contact our after-sales service:

• NA: support.us@lefant.com
• EU: support.eu@lefant.com
• JP: support.jp@lefant.com
• Other countries: support@lefant.com

Facebook: @LEFANTOFFICIAL

Community: facebook.com/groups/Lefantofficalcommunity

Manufacturer: Shenzhen USEER Robotics Co., Ltd.
Building 2, Fashion Brand Industrial Park, E'Bu Town, Shenzhen-Shanwei Special Cooperation Zone, Shenzhen, Guangdong, China.