User manual
Lefant N3
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1
Congratulations on the purchase of your Lefant ROBOTS!
We hope it brings you satisfaction. We trust your purchase will keep your home clean and provide you a high-quality
life.
Should you encounter situations that have not been properly addressed in this User Manual, please contact our
Customer Service Center, we will solve your specific problem. For more information, please visit the Lefant ROBOTICS
official website: www.lefant.com or send email to the following email address:
The Company reserves the right to make technological or design changes to this product for continuous improvement.
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IMPORTANT SAFETY INSTRUCTIONS
WARNING: Read all safety warnings and instructions. Failure to follow the warnings and instructions may result in
electric shock, fire or serious injury.
READ ALL INSTRUCTIONS BEFORE USING THIS APPLIANCE.
1. The robot must be used in accordance with the
directions in this User Manual. Our company cannot be
held liable or responsible for any damages or injuries
caused by improper use.
2. Do not allow to be used as a toy. Close attention is
necessary when used by or near children.Do not allow
children to sit on the vacuum.
3. Clear the area to be cleaned. Remove power cords
and small objects from the floor that could entangle the
Robot. Tuck rug fringe under the rug base, and lift items
such as curtains and table cloths off the floor.
4. If there is a drop off in the cleaning area due to a step
or stairs, you should operate the Robot to ensure that it
can detect the step necessary to place a physical
barrier at the edge to keep the unit from falling. Make
sure the physical barrier is not a trip hazard.
5. Only use as described in this manual. Only use
attachments recommended or sold by the manufactur-
er.
6. Please make sure your power supply voltage matches
the power voltage marked on the Docking Station.
7. Do not handle or plug appliance with wet hands.
8. Non-rechargeable batteries are prohibited.
9. Do not use without dust bin and/or filters in place.
10. Do not operate the robot in an area where there are lit
candles or fragile objects on the floor to be cleaned.
11. Do not use and store in extremely hot or cold environ-
ments (below -5°C /23°F or above 40°C/104°F). Please
charge the robot in temperature above 0°C/32°F and
below 40°C/104°F. Follow all charging instructions and do
not charge the battery pack or appliance outside of the
temperature range specified in the instructions. Charging
improperly or at temperatures outside of the specified
range may damage the battery and increase the risk of
fire.
12. Keep hair, loose clothing, fingers, and all parts of body
away from any openings and moving parts.
13. Do not operate the robot in a room where an infant or
child is sleeping.
14. For INDOOR use ONLY. Do not use the robot in outdoor,
commercial or industrial environments. Do not use
Appliance on wet surfaces or surfaces with standing water.
For Household use only
When using an electrical appliance, basic precautions should always be followed, including the following:
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15. Do not allow the robot to pick up large objects like
stones, large pieces of paper or any item that may clog
the robot.
16. Do not use the robot to pick up flammable or
combustible materials such as gasoline, printer or copier
toner, or use in areas where they may be present.
17. Do not use the robot to pick up anything that is burning
or smoking, such as cigarettes, matches, hot ashes, or
anything that could cause a fire.
18. Do not put any object into openings. Do not use with
any opening blocked; keep free of dust, lint, hair, and
anything that may reduce air flow.
19. Take care not to damage the power cord. Do not pull
on or carry the robot or the Docking Station by the power
cord, use the power cord as a handle, close a door on the
power cord, or pull power cord around sharp edges or
corners. Do not run the robot over the power cord.Keep
power cord away from hot surfaces. Do not unplug by
pulling on cord, To unplug, grasp the plug, not the cord.
20. If the power cord is damaged, it must be replaced by
the manufacturer or its service agent in order to avoid a
hazard.
21. Do not use the Docking Station if it is damaged.
22. Do not use the robot or the Docking Station if it is not
working properly, has been dropped, damaged, left
outdoors, or come in contact with water. It must be
repaired by the manufacturer or its service agent in order
to avoid a hazard.
23. Turn OFF the power switch before cleaning or
maintaining the robot. Turn off all controls
24. The plug must be removed from the receptacle
before cleaning or maintaining the Docking Station.
25. Remove the robot from the Docking Station, and turn
OFF the power switch to the Appliance before removing
the battery for disposal of the robot.
26. The battery must be removed and discarded
according to local laws and regulations before disposal
of the robot.
27. Please dispose of used batteries according to local
laws and regulations.
28. Do not incinerate the robot even if it is severely
damaged. The batteries can explode in a fire.
29. When not using the Docking Station for a long period
of time, please unplug it.
30. Prevent unintentional starting. Ensure the switch is in
the off position before connecting to battery pack,
picking up or carrying the appliance. Carrying the robot
with your finger on the switch or energizing the robot that
have the switch on invites accidents.
31. When battery pack is not in use, keep it away from
other metal objects, like paper clips, coins,keys, nails,
screws,ect, that can make a connection from one
terminal to another. Shorting the battery terminals
together may cause burns or a fire.
32. Under abusive conditions, liquid may be ejected from
the battery; avoid contact. If contact accidentally occurs,
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flush with water. If liquid contacts eyes, additionally seek
medical help. Liquid ejected from the battery may cause
irritation or burns.
33. Do not use a battery pack that is damaged or
modified. Damaged or modified batteries may exhibit
unpredictable behavior resulting in fire, explosion or risk
of injury.
34. Do not expose a battery pack or appliance to fire or
excessive temperature. Exposure to fire or temperature
above 130°C/265°F may cause explosion.
35. Have servicing performed by a qualified repair person
using only identical replacement parts.
36. Do not modify or attempt to repair the robot or the
battery pack (as applicable) except as indicated in the
instructions.
37. Do not operate the robot in a room that has lit
candles on furniture that the vacuum may accidentally
hit or bump into.
38. Recharge only with the charger specified by the
manufacturer. A charger that is suitable for one type of
battery pack may create a risk of fire when used with
another battery pack.
39. Use the robot only with specifically designated
battery packs. Use of any other battery packs may
create a risk of injury and fire.
40. The robot contains batteries that are only replace-
able by skilled persons. To replace the robot's battery,
please contact Customer Service.
41. If the robot is not going to be used for a long time,
fully charge the robot, power it OFF, and unplug the
Docking Station.
SAVE THESE INSTRUCTIONS
Short-circuit-proof safety isolating transformer
Switch mode power supply
For indoor use only
Direct current
Alternating current
detachable supply unit
S
To satisfy RF exposure requirements, a separation
distance of 20 cm or more should be maintained
between this device and persons during device
operation.
To ensure compliance, operations at closer than this
distance is not recommended. The antenna used for this
transmitter must not be co-located in conjunction with
any other antenna or transmitter.
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This marking indicates that this product should not be disposed of with other household waste throughout
the EU. To prevent possible harm to the environment or human health from uncontrolled waste disposal,
recycle it responsibly to promote the sustainable reuse of material resources. To recycle your used device,
please use the return and collection systems or contact the retailer where the product was purchased.
They can safely recycle this product.
Correct Disposal of this Product
Federal Communications Commission (FCC) Interference Statement
This device complies with Part 15 of the FCC Rules.
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.
FCC Caution:
Any changes or modifications not expressly approved by
the party responsible for compliance could void the user
5s authority to operate this equipment.
RF exposure warning
This equipment complies with FCC radiation exposure
limits set forth for an uncontrolled environment.This
equipment must be installed and operated in
accordance with provided instructions and the
antenna(s) used for this transmitter must be installed
antenna(s) used for this transmitter must be installed
to provide a separation distance of at least 20 cm from
all persons and must not be collocated or operating in
conjunction with any other antenna or transmitter.
This equipment has been tested and found to comply
with the limits for a Class B digital device, pursuant to Part
15 of the FCC Rules.
These limits are designed to provide reasonable
protection against harmful interference in a residential
installation. This equipment generate, uses and can
radiate radio frequency energy and, if not installed and
used in accordance with the instructions, may cause
harmful interference to radio communications.
However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does
cause harmful interference to radio or television
reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to
correct the interference by one of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and
receiver.
• Connect the equipment into an outlet on a circuit
different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV
technician for help.
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IC Caution:
This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic
Development Canada’s licence-exempt RSS(s). Operation is subject to the following two conditions:
(1) This device may not cause interference.
(2) This device must accept any interference, including interference that may cause undesired operation of the
device.
Any changes or modifications not expressly approved by the party responsible for compliance could void the user's
authority to operate the equipment.
RF exposure statement:
The equipment complies with IC Radiation exposure limit set forth for uncontrolled environment. This equipment
should be installed and operated with minimum distance 20cm between the radiator and your body.
Cet appareil contient des émetteurs / récepteurs exemptés de licence conformes aux RSS (RSS) d'Innovation,
Sciences et Développement économique Canada. Le fonctionnement est soumis aux deux conditions suivantes:
(1) Cet appareil ne doit pas causer d'interférences.
(2) Cet appareil doit accepter toutes les interférences, y compris celles susceptibles de provoquer un fonctionnement
indésirable de l'appareil.
Tout changement ou modification non expressément approuvé par la partie responsable de la conformité pourrait
annuler l'autorité de l'utilisateur à utiliser l'équipement.
Déclaration d'exposition RF:
L'équipement est conforme à la limite d'exposition aux radiations de la IC établie pour un environnement non contrôlé.
Cet équipement doit être installé et utilisé avec une distance minimale de 20cm entre le radiateur et votre corps.
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Contents
1. Product introduction
8
1.1 Packing list
1.2 Part name
····································
2. Preparation
11
2.1 Assemble and charge
2.2 Using environment preparation
····································
4. Common issues
4.1 Troubleshooting
20
····································
5. Technical parameters 22
····································
3. Using the product
13
3.1 How to use the buttons
3.2 Mopping
3.3 App download and network configuration
3.4 Maintenance frequency
3.5 Maintenance
····································
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1. Product introduction / 1.1 Packing list
*The picture of the manual is for reference only. The appearance should be subject to the actual manual.
Robot
Rolling Brush Assembly
Docking Station &
Power Adapter
DustBin
User ManualSide Brush HEPA Filter & Sponge Filter
Dry mop
User manual
Lefant N3
Scannen Sie den QR-Code, um das Online-Handbuch auf Deutsch zu erhalten.
Scannez le QR code pour obtenir le manuel en ligne en français.
Scansiona il codice QR per ottenere il manuale online in italiano.
Escanee el código QR para obtener el manual en línea en español.
コードをスキャンして、日本語のオンライン マニュア ル を取得します。
Cleaning Tool
Water Tank
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1. Product introduction / 1.2 Part name
Side view
Bottom view
Front view
dToF laser
navigation sensor
Start/pause button
Anti-collision sensor
Bumper
ON/OFF button
Green indicates ON
Red indicates OFF
Dust bin
Water tank
Drive wheel
Cliff sensor
Charging electrode
Rolling brush
Universal wheel
Side brush
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1. Product introduction / 1.2 Part name
Dustbin assembly
Vibration mopping assembly
HEPA Filter
Pre-filter
Sponge filter
Dustbin latch
Water tank
Water inlet
scroll wheel
Docking station
Charging electrode
Power adapter
Power adapter socket
Infrared signal transmitter
11
2. Preparation / 2.1 Assemble and charge
Remove the protective film on
the robot and docking station
Install the side brushes
Turn on the robot
Green indicates ON.
Red indicates OFF.
Reminder: Cannot charge when
the robot is turned off.
Place the robot at docking station and make sure to
align the charging electrodes.
Start/pause button Twinkling means charging.
Start/pause button Turn off means fully charged.
A full charge takes 4-5 hours.
Charging
*Place the docking station in an open area.
*Connect the power supply and organize
the power cable.
Place the docking station/
Connect the power supply
>0.5m
(1.64’)
>0.5m
(1.64’)
>1.5m
(4.92’)
Click
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2. Preparation / 2.2 Environment preparation
Tidy up the room
If the rug at home has
fringed edges, please put
the edges under the rug
in advance.
Organize the items on the
floor, such as wires, slippers
and other sundries to avoid
affecting the operation of
the robot.
The robot can climb to
the top of objects with a
height of less than 15mm.
If you don't want the
robot to climb on them,
please take them away.
Do not put the robot in a
raised place like the stairs.
Keep the door of the lavatory
and balcony closed.
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3. Using the product / 3.1 How to use robot buttons
Fast press : Start/Pause
Fast press twice: Automatic return to charge
Hold for 3 seconds: Enter Wi-Fi pairing mode
Robot status
Power on
Cleaning
Returning to charge
Charging
Enter Wi-Fi pairing mode
Abnormal alert
Mapping and Positioning
Looking for the robot
Tail light status
The blue light is streamlined
turned on, and then goes out
Light on
No light
No light
Light flashes
No light
Light on
Light flashes
Indicator light status
The pink light flashes quickly for
1s and then turns off
White light on
White light breathes
Returning to charge when the power is higher than 15%: white light on
Returning to charge when the power is below 15%: red light on
White light flashes
Red light on/flashes
White light on
White light flashes
Indicator light
Tail light
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3. Using the product / 3.2 Mopping
Kind tips:
1. To prolong the service life of the water tank, we recommend to use pure water or softened water.
2. Do not use the mopping function on carpets.
3. Empty the water tank immediately after mopping.
4. When mopping, please fold up the edge of the carpet to avoid contamination by foreign matter on the mop.
Open the lid on the water tank and
add an appropriate amount of water.
Close the lid on the water
tank.
Stick the mop on the
water tank.
Press the buttons on both sides of
the water tank, and buckle the water
tank sticked with the mop into the
slot at the rear of the robot.
Start to mop.
Press and hold the buttons on
both sides of the water tank
while removing the water tank.
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3. Using the product / 3.3 App download and configuration
Downloading and installation of the “Lefant” app
Method I : Scan the following QR code, and then
download and install App as prompted.
Tips:
* Follow the guidance in the Lefant app to register, login,
and pair the robot.
* Please make sure that the mobile phone is connected
to your Wi-Fi network before paring the robot vacuum
cleaner.
Note: The robot works with 2.4GHz Wi-Fi networks only.
Lefant
TP-Link_2.4G
TP-Link_5G
Method II : Search "Lefant" in the App store, download
and install the Lefant app.
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3. Using the product / 3.4 Maintenance frequency
In order to maintain the peak performance of the product, it is recommended to perform accessories maintenance
with reference to the following frequency:
Reminder: If you need to purchase various accessories, please visit the official flagship store of the online shopping platform and consult
customer service to purchase.
Accessory Maintenance frequency Replacement frequency
Disposable Dry mop / After each use
Dry mop After each use After 50 washes
Water tank After each use /
Side brush Every 2 weeks Every 3-6 months
Rolling brush Every week Every 6-12 months
HEPA filter Every week Every 3-6 months
dToF laser navigation sensor
Anti-collision sensor
Omni-Directional Wheel
Cliff sensor
Bumper
Charging electrode on the robot
Charging electrode on the station
Every week
/
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3. Using the product / 3.5 Maintenance-Dustbin
When cleaning and maintaining the robot and its accessories, please turn off the power switch on the robot’s side.
Open the dustbin latch and
dump the garbage.
Clean the Pre-filter. Clean the HEPA filter.
Press and hold the dustbin button,
take out the dustbin.
Remove the filter assembly.
Clean the dustbin.
Reminder: Do not wash the HEPA filter with water, just gently tap to remove dust.
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3. Using the product / 3.5 Maintenance-Water tank
When cleaning and maintaining the robot and its accessories, please turn off the power switch on the robot’s side.
Press and hold the buttons on both sides of the water tank to remove the water tank. Remove the mop to wash
with water, and place it in the sun to dry.
Empty the water tank after completing the mopping.
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When cleaning and maintaining the robot and its accessories, please turn off the power switch on the robot’s side.
4. Clean the driving wheel
to ensure clean smoothly.
2. Clean the universal
wheel to prevent hair
from tangling.
6. Clean the rolling brush to ensure the cleaning
effect.
1. Clean the anti-drop sensor to
ensure the sensitivity of the sensor.
7. Clean the charging electrode of the docking station
to ensure successful charging.
3. Clean the charging
electrode to ensure
successful charging.
5. Clean the side brush to prevent hair from tangling.
3. Using the product / 3.5 Maintenance-Others
*When cleaning and maintaining the docking station, please
cut off the power supply.
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4. Abnormal symptoms / 4.1 Troubleshooting
Incorrect home Wi-Fi username or
password entered.
The robot is out of range of the
Wi-Fi signal.
When the network is connected, the
robot has not entered the network
configuration state.
Cleaning assembly clogged.
Dust on sensors and other
components.
Incorrect placement of the docking
station.
The docking station is powered off or
moved manually.
The home environment is
complex.
The robot didn't clean from the
docking station.
Possible fault cause
Decreased
cleaning ability
or ash falling
Unable to
connect to
App
Difficult to
return and
charge
ProblemS/N
1
2
3
Make sure the robot is within range of the Wi-Fi signal.
2.4G network is not in use.
Switching to a 2.4G network is necessary. For details, please refer to the
[App Download and network configuration] chapter of the manual.
Regular replacement of consumables, such as HEPA filters, pre-filter,
side brushes, etc., is recommended.
Please refer to the chapter [Maintenance] of the
manual to clean the robot.
Please organize the home environment by referring to the [Environmental
Preparation] chapter of the manual before using the robot.
Please check whether the docking station is connected to the power
supply. Keep the position of the docking station when the robot is working.
Please place the docking station in an open and flat area.
Let the robot clean from the docking station.
Solution
Enter the correct Wi-Fi username and password.
Press and hold the “Start/Pause button” for 3 seconds to enter the
network configuration state. For details, please refer to the [App
download and network configuration] chapter of the manual.
If the following problems occur in the application process of the product, users can resolve them independently by
comparison and inquiry.
* If the fault cannot be eliminated according to the operation in the table, contact our customer service representative.
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4. Abnormal symptoms / 4.1 Troubleshooting
Possible fault cause
Problem
S/N
The power supply is not
connected, and the plug is loose.
The charging electrodes of the
robot and the station are not fully
contacted.
Batteries deteriorate due to
a long time of non-use.
Unable to
charge
4
Regular use of this product is recommended. If you do not use it for a
long time, please turn off the power switch after fully charging it, and
keep charging it once a month. Please contact the after-sales service
personnel if the battery cannot be trusted.
Make sure that the charging electrodes of the robot and the station are
fully connected, and regularly clean the charging electrodes of the robot
and the station.
Check if both ends of the power cord are connected and powered on
normally.
Solution
If the following problems occur in the application process of the product, users can resolve them independently by
comparison and inquiry.
* If the fault cannot be eliminated according to the operation in the table, contact our customer service representative.
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Note: Since the product needs continuous improvement, the actual product shall prevail.
Our company reserves the right to update the product.
5. Technical parameters
N3
20V 1.5A, 30W
C3
AD-0302000150US
100-240V~ 50-60Hz 0.8A
DC 20V, 1.5A, CLASS II
Product model
Rated input of machine
Docking Station Model
Power Adapter Model
Power Adapter Input
Power Adapter Output
Rated Output Voltage Rated Output Current 1.5A20V
Warranty
This warranty covers the repair or replacement of the malfunction device at our company’s discretion for a period of
1-year. In addition this certificate is void if altered. The serial number must be provided as well as all accessories to be
eligible for warranty coverage. Please kindly fill in below form accurately and completely.
Important:
When returning this device, carefully pack the product to avoid damage in shipping. Damage in shipping is not covered by the Warranty and
shall be the sole responsibility of Buyer. Damage or loss not covered by this Warranty or occurring outside the Warranty Period will require a
fee to cover the cost of handling and shipping. All such fees and costs shall be the sole responsibility of Buyer.
Exclusion
Unless agreed in writing, the warranty will not apply if the defects relate to:
• Consumable parts such as filters, or brushes etc, that are subject to normal wear and tear, and require regular maintenance and/or
replacement to ensure the proper functioning of your unit.
• Defects caused by rough or inappropriate handling or use or damage caused by accident, misuse, neglect, fire, water, lighting or other acts
of nature, external sources such as weather, electrical outages or power surges.
• Improper operation or maintenance, use not in accordance with the product instructions or connection to improper voltage supply.
• Accident, abuse, misapplication, or any unauthorized repair, modification, or disassembly of the product.
• Any failure to adequately package the Product for transportation.
• Use of parts not in accordance with the product instructions.
• Use of parts and accessories other than those produced or recommended by our company.
• Use in a commercial environment as the Product is designed for residential use only.
• Consequential and incidental damages.
• Any product(s) purchased from unauthorized dealers/resellers.
• Products used outside the country of purchase.
• Lost and/or stolen products.
Order Number:
Serial Number:
Date of Purchase:
N3-LH20230419-V01
Building 2, Fashion Brand Industrial Park, E'Bu Town,
Shenzhen-Shanwei Special Cooperation Zone, Shenzhen, Guangdong, China.
Shenzhen lohas Technology Co., LTD.
Website:
Email:
:
Facebook:
Community:
www.lefant.com
@LEFANTOFFICIAL
facebook.com/groups/Lefantofficalcommunity
Official website
