Lefant M350 Series Robotic Vacuum Cleaner User Manual

1. Introduction

Thank you for choosing the Lefant M350 Robotic Vacuum Cleaner. This manual provides detailed instructions on how to set up, operate, and maintain your robot vacuum to ensure the best possible cleaning experience.

For the most up-to-date information and additional features, please download the Lefant app. Scan the QR code below to access the online user manual and download the app.

Lefant M350 Robot Vacuum Cleaner and accessories.

Scan for online manual and app download.

Kind Reminder:

• After installing the robot, follow the instructions on the mobile app to complete registration, logging in, and network configuration.
• Before configuring the network, ensure your phone and home network are connected.

2. Safety Information

Precautions

• This product is intended for floor cleaning in home environments only. Do not use it outdoors, on non-floor surfaces (e.g., sofas), or in commercial/industrial settings.
• Always power off the base station and robot before cleaning or maintenance.
• Do not use the robot or base station as toys. Supervise children and pets, keeping them away during operation.
• Do not use in rooms where infants or young children are sleeping.
• Do not allow children or individuals with physical, mental, or sensory impairments to use or operate this product.
• If used in a suspended environment (e.g., duplex floor), use a sturdy physical barrier to prevent falls and potential injury/damage.
• Keep limbs and body parts away from the robot's rotating brush head and machine gaps to prevent injury.
• Before use, clear scattered wires, debris, and fragile/valuable items from the floor to prevent entanglement, damage, or falls.
• Ensure no standing water on the floor to prevent water damage to the robot.
• Do not use to clean burning objects (e.g., cigarette butts, 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 before use.
• Do not use the product without a dust bag.
• Be cautious of hot water; do not touch the water outlet of the base station.
• Do not douse the robot or base station with any liquid.
• Do not use to clean long-haired carpets (some dark-colored carpets may not be cleaned properly).
• If damaged, discontinue use and contact official after-sales service.
• Do not store or use in environments above 40°C (104°F) or below 0°C (32°F), or where liquids/viscous substances are present.
• Use only official cleaning solutions; other disinfectants may damage the robot and base station.
• Do not place objects on the robot, base station, or dust collection port, and do not cover them.
• Avoid hard/sharp objects on the floor that could scratch the robot or floor.
• Place the base station on a horizontal hard floor indoors, away from open flames, heat sources, wet areas, narrow spaces, or areas where the robot might fall.
• Put away fragile items and sundries to prevent damage if the robot is blocked or touched.
• Do not place low objects like floor mats or shoes near stairways to avoid interfering with the anti-fall sensor.

Battery and Charging Precautions

• This product is only compatible with 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 at a professional recycling institution.
• Do not use third-party batteries, chargers, charging cables, or charging docks.
• Do not wipe or clean the charging pins of the charging base station with wet wipes or damp cloths.
• 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 power, take appropriate protective measures.
• Using this product with any power converter is prohibited; it will void the warranty.
• If the power cord is damaged, stop use immediately and contact customer service.
• For long-term storage, fully charge the robot, turn it off, and store it in a cool, dry place. Charge monthly to prevent over-discharge.

3. Product Overview

Robot Components

Top View

• Start/Pause Button
• Air Exhaust Outlet
• Dust Bin & Water Tank
• Charging Electrode
• Dust Bin & Water Tank Button

Bottom View

• Anti-falling Sensor
• Universal Wheel
• Charging Electrode
• Side Brush
• Battery Cover
• Main Brush
• Main Brush Cover
• Main Brush Cover Clip
• Drive Wheel

Front Side View

• Collision Avoidance Strip
• Point Laser Sensor
• Obstacle Avoidance Sensor

Charging Station

• Air Exhaust Outlet
• Power Interface
• Dust Collection Chamber Upper Cover
• Infrared Signal Transmitter
• Charging Spring Contact
• Dust Collection Port Sealing Ring

Accessories

Contents of the box: Robot, Self-Emptying Station, Mop Holder, Power Cord, User Manual, Dust Bag, Washable Mop Cloth, HEPA Filter, Disposable Dry Mop, Cleaning Tool, Side Brush, Filter Sponge.

• Dust Bin & Water Tank: Features Primary Filters, Filter Sponge, High Efficiency Filter, Dust Bin Latch, Energised Port, Water Tank, Seal Plug.
• Power Cord: For connecting the charging station.
• Mop Holder: The sticking area for the mop cloth.
• Disposable Dust Collection Bag: For the self-emptying station.
• Disposable Dry Cleaning Cloth: For mopping.
• Side Brush: Sweeps debris into the robot's path.
• Cleaning Brush: For maintenance.

4. Setup

4.1 Preparation Work

1. Connect Power Cord: Press the power cord firmly into place on the charging station.
2. Install Side Brush: Align and install the side brush onto the robot until you hear a 'click' sound, indicating secure installation.
3. Remove Protective Films: Remove all protective films from both the robot and the base station.

4.2 Base Station Installation

Place the base station on a flat, hard indoor surface. Ensure there are no objects within 0.5 meters (1.64 ft) on both sides and 1.5 meters (4.92 ft) in front of the charging station to prevent signal blockage. Avoid placing reflective objects like floor mirrors around the station.

Ensure clear space around the charging station.

4.3 Power On and Initial Charge

1. Power On: Press and hold the power button on the robot for 3 seconds to turn it on. The robot will power on automatically when charging.
2. Initial Charging: Once the power indicator light stays on and you hear a voice prompt, place the robot in front of the base station. Ensure the base station is powered on. Briefly press the power button twice, and the robot will automatically return to the base station for charging.

For daily use, keep the robot charged to maintain battery performance.

Charging Indicator Status:

• Battery level < 50%: Purple light breathes.
• Battery level > 50%: Blue light breathes.

4.4 Mopping Function Setup

1. Remove the dust bin and water tank from the robot.
2. Open the sealing plug of the water tank, pour in an appropriate amount of clean water, and then close the silicone plug.
3. Install the dustbin and water tank back into the robot, pressing firmly until securely installed.
4. Align and stick the mop cloth onto the mop holder. Ensure it is completely attached.
5. Align the mop holder with the buckles on both sides of the robot's water tank. Insert until you hear two 'clicks'.

5. Operating Instructions

5.1 Button Operation

• Power On: Hold for 3 seconds (robot charging will power on automatically).
• Start/Pause: Fast press.
• Auto-recharge: Fast press twice.
• Enter Network Pairing Mode: Hold for 6 seconds until two "beep-beep" sounds, then release. The light will flash, and the robot enters networking mode. Open the App to perform pairing.
• Power Off: Hold for 12 seconds.

5.2 Indicator Light Meanings

5.3 Cleaning Modes

The Lefant M350 offers various cleaning modes and features for comprehensive coverage:

• Matrix Clean Technology: Cleans in a precise grid, ensuring no spots are missed.
• 3-in-1 Cleaning Trio: Sweeps, Vacuums, and Mops.
• Carpet Detection & Auto Boost: Automatically boosts suction to 6000Pa on carpets when the mop holder is removed. With the mop holder attached, suction is 3000Pa, and the robot automatically avoids carpets.
• 190° PSD Precision Obstacle Detection: Accurately detects varying shapes, colors, and sizes of obstacles to avoid collisions.
• ToF Laser Mapping: Knows your home better than you do, creating efficient cleaning paths.
• Self-Emptying: With a 2.2L dust bag, the robot automatically deposits debris into the station, offering up to 40 days of hands-free cleaning.
• App-Controlled Cleaning: Real-time map monitoring, schedule cleaning, spot cleaning, Do Not Disturb zones, No-Go Zones, smart mapping, remote control, water flow adjustment, and Tap-to-Clean features via the Lefant App.
• Voice Control: Supports voice control via Amazon Alexa and Google Assistant.

Matrix Clean Technology ensures comprehensive cleaning with app-controlled mapping.

Carpet Detection & Auto Boost for optimal suction on different surfaces.

190° PSD Precision Obstacle Detection for safe navigation.

Self-Emptying station provides up to 40 days of hands-free cleaning.

6. Maintenance

Regular maintenance ensures optimal performance and extends the lifespan of your Lefant M350. Always power off the robot and base station before performing any maintenance.

6.1 Dust Bin Maintenance

1. Remove the dustbin and water tank.
2. Press the dustbin latch to open and empty garbage.
3. Remove the primary filter, then the filter sponge, and finally the high-efficiency filter.
4. Clean the high-efficiency filter and filter cotton with a cleaning brush. Do NOT wash with water.
5. Rinse the primary filter screen and dustbin thoroughly with clean water.
6. Air dry the dust bin and pre-filter for at least 24 hours until completely dry before reinstalling.

6.2 Mop Cleaning or Replacement

1. Remove the mop holder.
2. Remove the mop cloth. If using disposable dry wipes, discard after use.
3. Wash the mop cloth.
4. Allow the mop cloth to dry completely before reattaching.

6.3 Water Tank Maintenance

1. Remove the dust bin and water tank.
2. Open the water filler plug.
3. Dump the water out of the tank.
4. Plug the water filler, dry the surface, and wipe the tank power port with a soft, dry cloth.

6.4 Main Unit Sensor Cleaning

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

• Point laser sensor.
• Obstacle avoidance sensor.
• Anti-fall sensor (clean weekly to prevent dust blockage).

6.5 Roller Brush Maintenance

Open the main brush cover, remove the main brush, and clean any hair or dirt wound around it. Reinstall the main brush and cover.

6.6 Side Brush Maintenance

Clean the side brushes. Reinstall them or replace with new ones if worn.

6.7 Main Unit Components Cleaning

Wipe the universal wheels, drive wheels, and Energised Port with a soft dry cloth as needed.

6.8 Charging Station Maintenance

• Do not rinse the charging station with water.
• Clean the Charging Spring Contact with a dry cloth.
• Clean the Infrared Signal Transmitter with a dry cloth.
• Clean the dust collection port with a dry cloth.
• Disposable Dust Collection Bag Replacement: Open the Dust Collection Chamber Upper Cover, remove and discard the old bag (ensure no garbage leaks). Insert a new bag into the card slot, spread it flat, and close the cover securely.

7. Troubleshooting

If your robot encounters issues, refer to the table below for common problems and solutions. If the problem persists, contact customer service.

Exception Alarm Prompt (Red Light)

If the above methods don't resolve the problem, try the following: Hold the start/pause button on the robot for 12 seconds. After hearing a long "beep", power off, then long press for 3 seconds to restart.

Frequently Asked Questions

8. Specifications

Robotic Vacuum Cleaner

Self-empty Charging Base Station

Environmental Protection Instructions (Battery Removal)

The chemical substances in the lithium-ion battery may cause environmental pollution. Please remove the battery before disposing of the product and hand it over to a professional battery recycling station.

1. Let the robot run until it is completely out of power and automatically shuts down without charging.
2. Ensure the robot is turned off.
3. Remove the screws of the battery cover on the bottom shell of the robot.
4. Open the battery cover.
5. After taking out the battery, pull out the connector plug.

Tip: When disassembling the battery, ensure it is fully discharged and operate without being connected to the charging dock. Remove the entire battery pack together. Do not damage the battery pack casing to prevent short circuits or leakage of hazardous substances. If the battery leaks and comes into contact, rinse with plenty of water and seek medical attention promptly.

9. User Tips

• For best results, ensure the floor is clear of small objects and cables before starting a cleaning cycle.
• Regularly check and clean the main brush and side brushes, especially if you have pets, to prevent hair entanglement.
• Utilize the Lefant app to set up cleaning schedules and no-go zones for a truly automated cleaning experience.
• Empty the dust bag in the self-emptying station when prompted by the app or indicator light to maintain optimal suction.
• If using the mopping function, remove the mop holder when the robot is cleaning carpets to avoid wetting them.

10. Warranty and Support

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. Please fill in the following details:

• Order Number: _________________________
• Serial Number: _________________________
• Date of Purchase: _________________________

Warranty Exclusions:

The warranty will not apply if defects relate to:

• Consumable parts (filters, brushes) subject to normal wear and tear.
• Defects caused by rough/inappropriate handling, misuse, neglect, fire, water, or other acts of nature.
• Improper operation or maintenance, or use not in accordance with product instructions.
• Accident, abuse, misapplication, or unauthorized repair/modification.
• Failure to adequately package for transportation.
• Use of parts not in accordance with product instructions or not produced/recommended by our company.
• Use in a commercial environment (product designed for residential use only).
• Consequential and incidental damages.

Customer Support

If you encounter situations not properly addressed in this user manual, please contact our after-sales service. For more information, please visit the official website or send an email to the following addresses:

• Official Website: www.lefant.com
• Email Support:
• NA: support.us@lefant.com
• EU: support.eu@lefant.com
• SG: support.sg@lefant.com
• MY: support.my@lefant.com
• JP: support.jp@lefant.com
• Other countries: support@lefant.com
• Facebook: @LEFANTOFFICIAL
• Community: facebook.com/groups/Lefantofficalcommunity

The full user manual in PDF format can be found here: Lefant M350 User Manual (PDF)

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