Lesim 602S-3Gang/US

Lesim Smart 3 Gang WiFi Light Switch
User Manual
Product Overview
The Lesim Smart 3 Gang WiFi Light Switch (Model: 602S-3Gang/US) is designed to provide convenient and intelligent control over your home lighting. This switch allows for remote control via a smartphone application, voice control through compatible smart assistants like Amazon Alexa and Google Home, and customizable scheduling. It is a single-pole switch and requires a neutral wire for installation. The package includes three separate switches and one 3-gang wall plate.

Image: Front view of the Lesim Smart 3 Gang WiFi Light Switch with three individual switches on a single wall plate.

Image: Overview of smart features including Tuya Smart APP, Smart Life APP, Amazon Alexa, and Google Assistant compatibility, highlighting no hub required.
Setup and Installation
Before beginning installation, ensure the power to the circuit is turned off at the circuit breaker. A neutral wire is required for the operation of this smart switch. This switch is designed for single-pole applications and is not compatible with 3-way (multi-switch) setups or dimmer functions. It supports 2.4GHz Wi-Fi networks only (5G networks are not supported).
Package Contents:
- Three (3) Lesim Smart Switches
- One (1) 3-Gang Wall Plate (located at the bottom of the packaging box)

Image: Illustration of the package contents, showing three individual switches and one 3-gang wall plate. Notes indicate it is not a 3-way or dimmer switch.
Wiring Diagram:
Carefully follow the wiring instructions. Incorrect wiring can cause damage or pose a safety risk. Always consult a qualified electrician if you are unsure.

Image: Detailed wiring diagram showing connections for Load, Live Wire, Ground, and Neutral Wire. Also includes product dimensions.
App Setup (Smart Life / Tuya Smart App):
To enable smart features, download and install the Smart Life or Tuya Smart app on your smartphone. Follow the in-app instructions to add your device.
- Download the Smart Life or Tuya Smart App from your app store.
- Register or log in to your account.
- Click "Add Device" and select "Electrician" then "Switch (Wi-Fi)".
- Connect to your 2.4GHz Wi-Fi network and enter the password.
- Follow the app's prompts to put the switch into pairing mode (usually by pressing and holding a button until the indicator blinks quickly).
- Confirm the indicator status in the app and proceed to connect.

Image: Step-by-step visual guide for setting up the smart switch using the Smart Life App, from adding the device to connecting to Wi-Fi.
Operating Instructions
Manual Control:
Each switch can be operated manually by pressing the physical button on the switch plate. This function works even if the internet connection is lost.
APP Remote Control:
Using the Smart Life or Tuya Smart App, you can remotely control your lights from anywhere with an internet connection. This includes turning lights on/off, setting schedules, and creating scenes.

Image: A smartphone displaying the Smart Life app interface for creating scenes, with a house exterior in the background, illustrating remote control capabilities.

Image: A person using the Smart Life app on a smartphone to control lights, demonstrating the ability to control devices from anywhere.
Voice Control:
The switch is compatible with Amazon Alexa and Google Home. Once integrated, you can use voice commands to control your lights.
- "Alexa, turn on the kitchen light."
- "Hey Google, turn off the living room lights."

Image: A kitchen scene showing a woman and child, with an Amazon Echo device on the counter, illustrating hands-free voice control with Alexa and Google Home.

Image: A woman and child in a kitchen with an Amazon Echo device, demonstrating voice control functionality with Amazon Alexa and Google Home.
Scheduling and Timer Functions:
Set custom schedules to automatically turn lights on or off at specific times. This feature is useful for energy saving and home automation.
- Schedule: Program lights to turn on at 7:00 AM to wake you up, or turn off at 10:00 PM for sleeping time.
- Timer: Set a countdown timer for lights to turn off after a specified duration.

Image: A bedroom scene with a person sleeping, showing a smartphone displaying the app's scheduling interface with options for 7:00 AM turn on and 10:00 PM turn off.

Image: Two panels illustrating scheduling: one showing a house lit up at night with a 7:00 PM timer, and another showing a baby sleeping with a 15-minute countdown timer.
Device Sharing:
You can share control of the smart switch with family members through the app, allowing multiple users to manage the lights.
Maintenance
The Lesim Smart 3 Gang WiFi Light Switch requires minimal maintenance. Ensure the switch plate is kept clean and free from dust. Use a soft, dry cloth for cleaning. Do not use abrasive cleaners or solvents.
Periodically check the physical connections to ensure they remain secure, especially after initial installation. If any issues arise, refer to the troubleshooting section.
Troubleshooting
If you encounter issues with your Lesim Smart 3 Gang WiFi Light Switch, please refer to the following common solutions:
- Switch not powering on: Ensure the circuit breaker is on and the neutral wire is correctly connected. A neutral wire is essential for this switch to function.
- Cannot connect to Wi-Fi:
- Verify your Wi-Fi network is 2.4GHz. This switch does not support 5GHz networks.
- Ensure your Wi-Fi password does not contain special symbols that might cause connection issues.
- Make sure the switch is within range of your Wi-Fi router.
- Try resetting the switch to pairing mode as per the app setup instructions.
- Voice control not working:
- Confirm the switch is successfully linked to your Alexa or Google Home account through the respective app.
- Ensure your voice assistant device is online and properly configured.
- Use the exact device names configured in the Smart Life/Tuya Smart app.
- Switch not responding to app: Check your internet connection. If the internet is down, the app cannot control the switch remotely, but manual operation should still work.
- Lights flickering or not turning off completely: This switch is not a dimmer. Ensure it is connected to standard on/off lighting circuits.
- Not compatible with 3-way setup: This is a single-pole switch. It cannot be used in a 3-way (multi-location) switch configuration.

Image: A visual summary of important notes: Neutral Wire Required, Single Pole Only, 2.4G Network Only, and Wi-Fi account/password restrictions.
Specifications
Below are the technical specifications for the Lesim Smart 3 Gang WiFi Light Switch:

Image: A table detailing product specifications alongside a simplified wiring diagram.
| Specification | Value |
|---|---|
| Model | 602S-3Gang/US |
| Operation Mode | Automatically, Off, Smart Switch |
| Current Rating | 15 Amps |
| Operating Voltage | 125 Volts |
| Contact Type | Normally Open |
| Connector Type | Wireless |
| Terminal | Spst |
| Circuit Type | 1-way (Single Pole) |
| Mounting Type | Wall Mount |
| Actuator Type | Push Button |
| Contact Material | Copper |
| International Protection Rating | IP54 |
| Number of Positions | 3 |
| Upper Temperature Rating | 75 Degrees Celsius |
| Controller Type | Amazon Alexa, Google Assistant, SmartThings, IFTTT |
| Control Method | App |
| Connectivity Protocol | Wi-Fi (2.4GHz) |
| Color | White |
| Wattage | 1650 Watts |
| Item Weight | 13.9 ounces |
| Package Dimensions | 7.64 x 5.04 x 2.48 inches |
| UPC | 717261145226 |
Warranty and Support
Lesim products are designed for reliability and performance. For specific warranty information, please refer to the documentation included with your purchase or contact Lesim customer support.
Customer Support:
For technical assistance, troubleshooting, or warranty claims, please visit the official Lesim website or contact their customer support team. You may also refer to the digital user manual available online for additional details.
User Manual (PDF): Download PDF
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