Yeelight Smart LED RGB Ceiling Light 400C User Manual

1. Introduction

Thank you for choosing the Yeelight Smart LED RGB Ceiling Light 400C. This smart ceiling light offers a blend of modern design and advanced functionality, including dimmable white light, 16 million RGB colors, and smart control options. This manual provides detailed instructions for safe installation, operation, and maintenance of your new ceiling light.

Image: Yeelight Smart LED RGB Ceiling Light, highlighting compatibility with Apple HomeKit, Google Assistant, and Amazon Alexa, and its 2700K-6500K color temperature range.

2. Safety Information

• Always turn off the power at the circuit breaker before installation, removal, or maintenance.
• Ensure the voltage supply matches the rated input of the device (220-240V~50/60Hz).
• Do not attempt to disassemble or modify the light fixture.
• Keep the light away from flammable materials.
• This product is designed for indoor use, including humid environments like bathrooms and kitchens due to its IP54 rating. However, avoid direct water spray.
• Consult a qualified electrician if you are unsure about any part of the installation process.

3. Package Contents

Upon opening the package, please verify that all components are present and undamaged:

• Yeelight Smart LED RGB Ceiling Light 400C (YLXDD-0034)
• Mounting Hardware (screws, anchors)
• User Manual (this document)

Image: Yeelight Smart LED Ceiling Light 400C 24W with its packaging, showing the model and wattage.

4. Specifications

Image: Detailed specifications table for Yeelight Ceiling Light, including features, color temperature, luminous flux, rated input, rated power, operating temperature, operating humidity, and compatibility.

5. Setup & Installation

5.1 Mounting the Light Fixture

The Yeelight Smart LED RGB Ceiling Light features a patented quick-change fixture for easy installation.

1. Turn off the main power supply at the circuit breaker.
2. Attach the light base securely to the ceiling using the provided mounting hardware. Ensure it is firmly fixed.
3. Connect the electrical wires (Live, Neutral) from your ceiling to the corresponding terminals on the light base. Ensure connections are tight and secure.
4. Gently align the light body with the installed base and twist or push until it locks securely in place. You should hear a click or feel it firmly seated.

Image: Exploded view of the light's base and cover, demonstrating the quick change fixture for easy installation.

5.2 Smart Home Integration & App Pairing

The Yeelight Smart LED RGB Ceiling Light connects directly to your Wi-Fi network without needing a separate gateway. It supports control via the Yeelight App, Mi Home App, and voice control through Apple HomeKit, Google Assistant, and Amazon Alexa.

1. Download the App: Search for "Yeelight" or "Mi Home" in your smartphone's app store (Google Play for Android, App Store for iOS) and download the official application.
2. Power On: Turn on the main power supply to the light fixture. The light should turn on.
3. Open App & Add Device: Open the Yeelight or Mi Home app, create an account if you don't have one, and follow the in-app instructions to add a new device.
4. Connect to Wi-Fi: The app will guide you through connecting the light to your home Wi-Fi network. Ensure your phone is connected to a 2.4GHz Wi-Fi network during the pairing process.
5. Voice Assistant Integration: Once connected to the app, you can link your Yeelight account to Apple HomeKit, Google Assistant, or Amazon Alexa through their respective apps or settings. Follow the instructions provided by each platform to enable voice control.

6. Operating Instructions

6.1 Basic On/Off and Dimming

• Wall Switch: Use your existing wall switch for basic on/off functionality.
• App Control: Use the Yeelight or Mi Home app to turn the light on/off, adjust brightness, and change color temperature (2700K-6500K).
• Voice Control: Use voice commands through Apple HomeKit, Google Assistant, or Amazon Alexa (e.g., "Hey Google, turn on the ceiling light," "Alexa, dim the ceiling light to 50%").

6.2 Color Mood Lighting

The light features an RGB ambient light on the back, offering 16 million colors to create various moods. You can turn on the main light and mood light together or separately.

Image: Bedroom scene demonstrating the 16-million color mood lighting feature of the Yeelight Smart LED Ceiling Light.

• Access the color settings in the Yeelight or Mi Home app.
• Select from a wide spectrum of 16 million colors to match your preference or scene.
• Utilize pre-set scene modes or create custom scenes within the app.

6.3 Moonlight Mode

The superslim ceiling light supports a moonlight mode with ultra-low brightness, perfect for nighttime. It emits a soft, comfortable glow that reduces glare and eyestrain, mimicking natural moonlight.

Image: Text describing the 'Cozy Moonlight Sends You to Sleep' feature, with an abstract moon graphic.

• Activate Moonlight Mode through the Yeelight or Mi Home app.
• Adjust the brightness within this mode for optimal comfort.

7. Maintenance

7.1 Cleaning

Due to its IP54 water and dust-resistant rating, the light can be used in humid environments. To clean the fixture:

• Ensure the power is turned off at the circuit breaker.
• Wipe the surface with a soft, damp cloth.
• Do not use abrasive cleaners or solvents.
• Avoid spraying water directly onto the light.

Image: The Yeelight Smart LED Ceiling Light installed in a bathroom setting, illustrating its IP54 water resistance.

7.2 Dust and Insect-Proof Design

The sealed design of the light helps prevent dust and insects from entering the fixture, reducing the need for frequent internal cleaning.

8. Troubleshooting

• Light not turning on: Check the power supply at the circuit breaker and ensure the light is properly installed and connected.
• Cannot connect to Wi-Fi: Ensure your Wi-Fi network is 2.4GHz. Try resetting the light (usually by cycling power on/off several times) and re-attempting the pairing process. Ensure your router is within range.
• Voice control not working: Verify that the light is connected to the app and that your Yeelight/Mi Home account is correctly linked to your voice assistant (HomeKit, Google Assistant, Alexa) account. Check your internet connection.
• Light flickering or unresponsive: Try restarting the light by turning off and on the power at the wall switch or circuit breaker. If the issue persists, perform a factory reset and re-pair the device.

9. User Tips

• Xiaomi Home App Compatibility: Yes, this Yeelight Smart LED Ceiling Light is compatible with the Xiaomi Home (Mi Home) App, allowing for integrated control with other Xiaomi smart devices.
• Group Control: For multiple Yeelight smart lights, use the app to create groups for synchronized control and scene management.
• Custom Scenes: Experiment with creating custom lighting scenes in the app to suit different activities or moods throughout the day.

10. Warranty & Support

For warranty information and technical support, please refer to the official Yeelight website or contact your retailer. Keep your purchase receipt as proof of purchase.