Lefant A1

Contents

Lefant A1 Air Purifier User Manual

Please read this manual carefully before using the product, and keep it in a safe place.

1. Safety Notice

Before using the product, READ AND SAVE THESE INSTRUCTIONS. Be sure to follow all the safety instructions provided during use, in order to prevent product damage, personal injury, or property loss to the user and others caused by improper operation.

  1. This appliance can be used by children aged from 8 years and above under supervision. This appliance can be used by 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.
  2. Children shall not play with the appliance. This product is not a toy. Children should be supervised to ensure they do not use it as a toy or play with it, otherwise it may cause accidents or injuries.
  3. Before installing, maintaining (replacing filters, cleaning the product), or repairing the product, you must turn off the power and unplug the power cord! Cleaning and user maintenance shall not be made by children without supervision.
  4. When installing the equipment, leave sufficient space at the front to facilitate repair and maintenance.
  5. Do not use the power cord if it is damaged or if the plug is loose when inserted, as this may cause electric shock, short circuit, fire, or other accidents.
  6. Do not damage, excessively bend, pull, or twist the power cord. Do not place heavy objects on or squeeze the power cord to avoid electric shock, short circuit, or fire.
  7. If the power cord is damaged, to prevent hazards, it must be replaced with dedicated parts by the manufacturer, its service department, or after-sales service. Never use third-party power cords privately to avoid safety incidents caused by quality issues.
  8. Never unplug with wet hands. When unplugging, always hold the plug itself and never pull hard on the power cord, as this may cause electric shock, short circuit, fire, or other accidents.
  9. To ensure stable and quiet operation of the product, place the device on a clean, flat, hard surface. Never place it on slanted or soft objects to prevent the product from tilting.
  10. The product is designed for indoor use only. Avoid locations that may be exposed to outdoor environmental factors such as rain. It is recommended to place the product in a cool, dry indoor area, away from fire sources and direct sunlight to prevent accelerated aging of the housing.
  11. Do not place or use the product in high-humidity environments such as bathrooms or near humidifiers, as moisture may cause electric shock or malfunction.
  12. Do not use the product near flammable objects, flammable gases, heat sources, open flames, or other high-temperature environments to prevent accidents.
  13. Do not use this product when spray-type insecticides are being used indoors.
  14. Regularly clean dust from the plug. Dust accumulation can cause moisture buildup and leakage current, leading to fire, electric shock, and other accidents.
  15. Do not use thinners, benzene, gasoline, or other solvents to clean the product. Also, do not spray insecticides onto the unit, as this may cause cracks in the surface paint, electric shock, fire, and other accidents.
  16. Do not insert fingers or other objects into the air inlet or outlet, as this may cause electric shock and other accidents.
  17. For a better product experience, perform regular cleaning and maintenance. Please note that cleaning and maintenance of this product should not be carried out by children or the elderly without supervision. Always unplug the power cord before cleaning and maintenance.
  18. Do not disassemble, modify, or repair this product or its accessories without authorization. Unauthorized operation may cause malfunctions and lead to hazardous situations. If the product malfunctions and requires repair, please contact after-sales service.
  19. To Reduce The Risk of Fire, Electric Shock or Injury To Persons, Do Not Use Replacement Parts That Have Not Been Recommended By The Manufacturer (e.g. Parts Made at Home Using A 3D Printer).
  20. When the product will not be used for an extended period, unplug the power cord. After cleaning and maintenance, you may use a dust cover to protect the product. Store the filter in a sealed bag for better use next time.

2. Packing List

After opening the product package, please check if the product is intact and verify that all accessories are complete by referring to the diagram below.

Diagram showing the components included in the Lefant A1 Air Purifier package: Main Unit, HEPA Filter, Preliminary Filter, Adapter, User Manual, Quick Start Guide.
Components of the Lefant A1 Air Purifier package.
  • Air Purifier Main Unit x1
  • HEPA Filter x1
  • Preliminary Filter x1
  • Adapter x1
  • User Manual x1
  • Quick Start Guide x1

Instructions for the Adapter:

  • US: only to be used with the unit provided (adapter model: GA240020)
  • EU: only to be used with the unit provided (adapter model: GA240020E)

3. Product Introduction

Product Dimensions

Diagram showing Lefant A1 Air Purifier dimensions (27.8cm width, 42.5cm height) and its placement in a living room, bedroom, and office.
Visual representation of the air purifier's size and suitable room placements.

The Lefant A1 Air Purifier measures 282mm (11.10") in width and 426mm (16.614") in height.

Parts Description

Diagram illustrating the main components of the Lefant A1 Air Purifier: Air Outlet, Control Panel, Air Purifier Main Unit, Filter, Transparent Cylinder Base, Air Inlet.
Exploded view of the air purifier's main components.
  • Air Outlet: Where purified air is released.
  • Control Panel: Interface for operating the device.
  • Air Purifier Main Unit: The primary housing for internal mechanisms.
  • Filter: Multi-layer filtration system.
  • Transparent Cylinder Base: The lower section that houses the filter and provides stability.
  • Air Inlet: Where ambient air is drawn into the purifier.

4. Installation Guide

Caution: Remove the surface packaging of the filter inside the product before first use. Disconnect the power supply for personal safety when performing the following operations.

  1. Opening the Filter Compartment

    Hold the Transparent Cylinder Base, rotate the main unit counterclockwise, and lift it upward to open the filter compartment.

    Diagram showing how to open the filter compartment by rotating the main unit counterclockwise and lifting it from the base.
    Step 1: Opening the filter compartment.
  2. Removing the HEPA Filter

    Take the HEPA Filter out of the filter compartment and remove its surface packaging.

  3. Installing the Preliminary Filter

    Install the Preliminary Filter onto the surface of the HEPA filter core.

  4. Installing the Filter

    Align the fabric strip at the bottom of the HEPA Filter with the horizontal alignment slot on the Transparent Cylinder Base and insert it.

  5. Closing the Filter Compartment

    Hold the Transparent Cylinder Base, align the main unit with the alignment points on the base, insert it, and then rotate the main unit clockwise to secure and close the filter compartment.

  6. Powering On

    After inserting the adapter into the device's Power Interface and connecting it to a power source, lightly press the [ Power Button ] to start and operate the device.

5. Daily Operation

Knob Display Screen

Image of the control panel with various buttons and the digital display showing PM2.5 and Timer indicators.
Control Panel and Knob Display Screen.
UI IconsStatus Definitions
PM2.5 TimerDisplays the device timer and PM2.5 value. When displaying the PM2.5 value, the (PM2.5) indicator light lights up; when displaying the timer, the (Timer) indicator light lights up.
Wi-Fi IconAfter the device enters network setup/disconnected state, the Wi-Fi icon flashes white slowly; when network setup is successful, it stays solid white. * If there are no reconnect attempts or other operations within 3 minutes after the device connection fails/is disconnected, the Wi-Fi indicator light turns off.
Child Lock IconWhen the Child Lock is activated, the icon turns on; when deactivated, it turns off.

Function Buttons Description

  • Power On/Off: After connecting to the power supply, the device emits a "beep" sound, all indicator lights illuminate for 0.5 seconds and then turn off, after which the device enters standby mode, and the Power Button indicator light flashes white slowly. Lightly press the [ Power Button ] to start the product. The device emits a "beep" sound, the indicator light remains lit, it operates in Automatic Mode by default, the Automatic Mode Indicator Light lights up, and the fan speed adjusts according to air quality; press lightly again to stop the device, the indicator light dims, and it returns to standby mode.
  • Timer Setting: Lightly press the [ Timer Button ]; the indicator light stays on, and the display screen (Timer) flashes white slowly. The device enters timer setting mode. Rotate the [Gear Knob] to cycle through and select 1H, 2H...12H, OH. After selecting the shutdown time, wait for the device to exit the timer setting mode to complete the timer setup. * After the timer is set, the display screen alternates between displaying the timer time and the PM2.5 value at 3-second intervals. To modify the timer, you must re-operate the button to enter the timer setting mode. Please note: ① Adjusting the timer setting to OH cancels the timer; ② Turning the device off and then on will cancel the currently set timer.
  • Base Light Control: Lightly press the [ Light Button ] to turn the device base light on or off. When turned on, the indicator light stays solid white; when turned off, the indicator light dims. This function is enabled by default when the device is powered on.
  • Child Lock: Press and hold the [ Light Button ] for 3 seconds to turn the device's Child Lock function on or off. When Child Lock is activated, the display screen (Child Lock Icon) stays solid white, and all other buttons become inactive.
  • Wi-Fi Network Setup: Press and hold the [ Wi-Fi Button ] for 3 seconds. The device beeps three times, the display screen (Wi-Fi Icon) flashes white slowly, and the device enters network setup mode. Upon successful network setup, the device emits a single beep, and the display screen (Wi-Fi Icon) stays solid white.
  • Speed Level Switching: Rotate the [Gear Knob ] to cycle through different speed level modes, thereby adjusting the device's fan speed. When switched to a different mode, the corresponding mode indicator light stays solid white.
    • Auto Mode: The device automatically adjusts the fan speed based on air quality.
    • Sleep Mode: The device operates at low speed and turns off all other lights.
    • Fan Speed 1, Fan Speed 2, Fan Speed 3, Fan Speed 4, Fan Speed 5, Turbo Mode.
  • Air Quality Indicator Light: A circular light strip that displays different colors based on the indoor air quality PM2.5 data detected by the device.
    • Solid Green: 0 ≤ PM2.5 < 70, indicating excellent air quality.
    • Solid Blue: 70 ≤ PM2.5 < 150, indicating fair air quality. Sensitive individuals may experience mild discomfort.
    • Solid Red: 150 ≤ PM2.5 < 500, indicating poor air quality. Prolonged exposure may cause respiratory discomfort such as coughing and chest tightness.
    • Flashing Red: Filter replacement reminder.

6. Binding and Network Setup

1. Download the Lefant APP

This product is compatible with the Lefant APP. Users can download and install the APP using the following methods.

Method 1: Scan the QR code below and follow the prompts to download and install the APP.

QR code for downloading the Lefant APP.
Scan to download the Lefant APP.

Method 2: Open your mobile phone's app store, search for "lefant", then download and install the APP.

2. Register and Log in to the Lefant APP

Open the APP and please register for and log in to a Lefant account. If you have already downloaded the Lefant APP and are logged into your account, please proceed directly to the product binding and connection process.

3. Binding and Connecting to the APP

  1. After plugging in and powering on the device, press and hold the [ Wi-Fi Button ] for 3 seconds to enter network setup mode. The device will beep three times, the button indicator light will flash white slowly, and the Wi-Fi icon on the display screen will also flash white.
  2. Open the Lefant APP, navigate to the "Devices" page, then click "More Devices" or the "+" in the top right corner to enter the "Add Device" page.
  3. On the "Add Device" page, click on the discoverable device available for addition, then follow the on-screen instructions within the APP to bind the device.

Friendly Reminder

Before binding and setting up the network for the device, please confirm:

  • Your phone's Bluetooth is turned on;
  • The Wi-Fi network is a 2.4GHz band network.

7. Device Maintenance

Caution: For your safety, be sure to turn off the device and disconnect it from the power supply before performing any maintenance.

I. Filter Cleaning

During operation, the device attracts impurities from the air (such as pet dander) which accumulate on the filter's surface, reducing the purification efficiency. Therefore, it is recommended to clean the filter once a week.

  1. Removing the Filter: After powering off and disconnecting the device from the power supply, hold the Transparent Cylinder Base, rotate the main unit counterclockwise and lift it upward to open the filter compartment, then remove the filter.
  2. Cleaning the Filter: After cleaning surface dust and debris from the filter, the Preliminary Filter can be removed and rinsed with water for cleaning. (The HEPA Filter is not washable.)
  3. Drying the Preliminary Filter: After washing and cleaning the Preliminary Filter, please place it in a well-ventilated, dry area to air dry completely.
  4. Reinstallation: After the Preliminary Filter is completely dry, reinstall it onto the HEPA Filter to complete the filter cleaning process.

II. Filter Replacement

  1. Filter Replacement Reminder: If the Air Quality Indicator Light flashes red, it indicates that the product filter needs to be replaced with a new one.
  2. Opening the Filter Compartment: After powering off and disconnecting the device from the power supply, hold the Transparent Cylinder Base, rotate the main unit counterclockwise, and lift it upward to open the filter compartment.
  3. Removing the Old Filter: Take the old filter out of the filter compartment and discard it.
  4. Removing the New Filter Packaging: Take the new filter, remove its surface packaging, and install the Preliminary Filter.
  5. Installing the New Filter: Align the fabric strip at the bottom of the filter with the horizontal alignment slot on the Transparent Cylinder Base and insert it.
  6. Closing the Filter Compartment: Hold the Transparent Cylinder Base, align the main unit with the alignment points on the base, insert it, and then rotate the main unit clockwise to secure and close the filter compartment.
  7. Filter Replacement Reset: After connecting the device to the power supply and turning it on, press and hold the [ Power Button ] for 3 seconds to reset the filter replacement reminder. The Air Quality Indicator Light will stop flashing.

III. Air Quality Sensor Cleaning

  1. The Air Quality Indicator Light remains solid red: If the Air Quality Indicator Light remains solid red even after moving the device to a clean indoor area, it may be due to a dirty sensor. * The filter has not reached its replacement period, or there is no obvious dirt on the surface of the Preliminary Filter.
  2. Opening the Air Quality Sensor Window: After powering off and disconnecting the device from the power supply, open the Air Quality Sensor Window.
  3. Cleaning the Sensor: Use a clean cotton swab or dry tissue paper to gently wipe and clean the air quality sensor area.
  4. Starting Operation: After connecting to the power supply and turning it on, let the device run in a clean indoor area to check if the Air Quality Indicator Light still remains solid red. If the issue persists, please contact after-sales service for a solution.

8. Basic Parameters (Specifications)

ParameterValue
Product NameAir Purifier
Product ModelA1
Rated Voltage24V
Rated Frequency50 / 60Hz
Rated Power48W
Input Parameters24V=2A
Product Dimensions282×282×426mm
Product Net Weight4.2kg
Noise30dB
Particulate Matter Clean Air Delivery Rate (CADRParticulate Matter)320m³/h
Formaldehyde Clean Air Delivery Rate (CADRFormaldehyde)200m³/h

9. Troubleshooting Guide

S/NFault/IssuePossible CauseSolution
1The device fails to start.The power plug is not plugged in properly or is loose.Unplug the power plug and then reconnect it.
The Filter is not installed properly.Reinstall the Filter.
2The device fails to produce airflow.The surface packaging of the filter has not been removed.After confirming the filter's surface packaging has been removed, restart the machine.
3The device operates with excessive noise.The device is placed on an uneven surface, or the filter is not installed properly.Place the device on a level surface and reconfirm whether the filter is installed properly.
4The device operates normally, but the airflow is significantly reduced.There is an object blocking the Air Outlet, or the Filter was not replaced in a timely manner.Please reposition the device to ensure the Air Outlet is not obstructed; verify whether a new Filter was not replaced as prompted by the device in a timely manner.
5The Air Quality Indicator Light remains solid red.1. There may be undetected dust or other allergens present indoors.
2. The Air Quality Sensor is dirty.
Move the device to a clean indoor area. If the light remains solid red, it may indicate an abnormal Air Quality Sensor. Please clean the sensor window or contact after-sales service for consultation and resolution.
6The Air Quality Indicator Light shows red/blue/green, but the airflow does not change accordingly.The device is not in Auto Mode.Set the device's speed level to Auto Mode.
7The device fails to connect to the network.Network failure or the cloud service platform is under maintenance.Re-check the local network connection to confirm it is working properly, or wait until the cloud service platform maintenance is completed.
8The Air Quality Indicator Light keeps flashing red.The Filter has reached the end of its service life.After replacing the new Filter, press and hold the [ Power Button ] for 3 seconds to reset the filter replacement reminder.
9The device automatically shuts down and cannot be started. The display shows fault code EE.The device is in a tipped-over state.Place the device upright on a hard, level surface and restart it.
10The device fails to start and operate, and the display shows fault code E2.The Filter is not installed.After installing the Filter, restart the device.
11The display shows fault code E3, and the device buttons are unresponsive.Abnormal communication between the device's power board and control board.Please contact after-sales service for a solution.

* If the device issue cannot be resolved by following the steps in the table, please contact after-sales service personnel for a solution.

10. 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.

Order Number: _________________________

Serial Number: _________________________

Date of Purchase: _________________________

Important:

  • The warranty period starts from the date of purchase.
  • 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.

11. Support

For further assistance, please visit the official Lefant website or contact support:

A PDF version of this user manual is also available for download: Lefant A1 Air Purifier User Manual (PDF).

12. User Tips

No specific user tips were available from the provided reviews or Q&A data. For optimal performance, ensure regular filter cleaning and replacement as indicated by the device.

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