Yeelight Smart LED Filament Bulb User Manual

1. Introduction

The Yeelight Smart LED Filament Bulb combines classic retro design with modern smart technology, offering adjustable brightness and intelligent control to create a comfortable and relaxing atmosphere. These bulbs are designed for easy installation and energy efficiency, compatible with various smart home platforms.

2. Important Safety Warnings

• CAUTION - RISK OF ELECTRIC SHOCK. Do not use if the outer lamp envelope is damaged or broken.
• Always ensure the power is OFF when installing, removing, or examining the light bulb.
• Do not use this product with a dimmer (e.g., a desk lamp with a dimmer switch) to avoid damaging the product.
• Do not use this product in damp environments.
• Avoid using the light bulb in narrow and ill-ventilated lamp shades, as this may cause weak signals or heat dissipation issues.

3. Specifications

The Yeelight Smart LED Filament Bulb is available in two main variants, E26 and E27 ST64, each with specific electrical and physical characteristics.

4. Setup and Installation

4.1. Install the Light Bulb

1. Ensure the power to the light fixture is turned OFF at the switch before installation.
2. Carefully screw the Yeelight Smart LED Filament Bulb into the appropriate lamp holder (E26 or E27).
3. Once the bulb is securely installed, turn on the power switch.

4.2. Download the App

To control your Yeelight Smart LED Filament Bulb, download the Yeelight App:

• Search for "Yeelight" in your device's app store (Apple App Store for iOS, Google Play Store for Android).
• Alternatively, you can scan the QR code provided in the original product packaging to directly download the app.

4.3. Use the App

Open the Yeelight App and follow the on-screen instructions to pair your bulb. Ensure your Wi-Fi network is available and has proper internet access. Note that the product does not support 5G Wi-Fi networks.

4.4. Apple HomeKit Smart Control

For Apple HomeKit integration (requires iOS 9.0 or above):

1. Open the Home app on your iPhone or iPad.
2. Tap "Add Accessory" and follow the instructions in the app.
3. Scan the QR code located on the product base of the bulb, or manually enter the 8-digit setup code to grant Apple Home app access.

Important: The HomeKit setup code is unique to your bulb and is located on the product base. Do not lose it, as it will be needed again if you restore the bulb to factory settings.

5. Operating Modes and Features

• Adjustable Brightness: Easily adjust the brightness from 5% to 100% to suit any occasion.
• Customizable Scenes: Change the mood with a touch of a button. Customize scenes to your preference and get instant access to them.
• Program to Fit Your Lifestyle: Program lights to gradually turn on for a gentle wake-up or slowly dim for a relaxing drift to sleep.
• Remote Control: With the Yeelight iOS and Android apps, you can control your lights remotely, even when you're away from home.
• Voice Control: Compatible with Amazon Alexa, Google Assistant, and Apple HomeKit for convenient voice commands.

6. How to Restore to Factory Settings

To restore your Yeelight Smart LED Filament Bulb to its factory settings:

1. Use the physical light switch to turn the light bulb ON and OFF five times.
2. Each ON period should be approximately two seconds, and each OFF period should also be approximately two seconds.
3. Observe the bulb's behavior:
• For tunable white versions, the bulb will enter a "breathing" mode. After about 5 seconds, it will automatically reset and display a steady white light.
• For color versions (if applicable), the bulb will display a circling multi-colored effect. After about 5 seconds, it will automatically reset and display a steady white light.
4. A steady white light indicates that the bulb has been successfully restored to its factory settings.

7. Maintenance

• Ensure the bulb is cool and the power is off before cleaning.
• Wipe the bulb with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
• Regularly check for any physical damage to the bulb or its connections.
• Keep the bulb away from water and excessive moisture.

8. Troubleshooting

• Bulb not responding to app/voice commands:
  • Ensure the bulb is powered on.
  • Check your Wi-Fi connection and ensure it has internet access.
  • Verify the bulb is connected to a 2.4GHz Wi-Fi network (5G networks are not supported).
  • Restart your Wi-Fi router and the bulb.
  • Try re-pairing the bulb with the app. If issues persist, perform a factory reset and re-add the bulb.
• Bulb flickering or unstable light:
  • Ensure the bulb is not used with a dimmer switch.
  • Check if the bulb is in a well-ventilated area to prevent overheating.
  • Verify the bulb is securely screwed into the lamp holder.
• Difficulty connecting to HomeKit:
  • Ensure your iOS device is running iOS 9.0 or above.
  • Double-check the HomeKit setup code on the bulb's base.
  • Confirm your Wi-Fi network is 2.4GHz and has internet access.

9. User Tips

• When connecting to the Mi Home App, you may need to set the app's region to China for proper functionality. Other apps typically connect using the global region setting.
• Always confirm the correct voltage for your region (120V for E26 in US, 220-240V for E27 in Europe) before purchasing and installing.
• The bulb connects directly to Apple HomeKit without requiring an additional hub.

10. Warranty and Support

For warranty information, technical support, or service inquiries, please refer to the official Yeelight website or contact your local distributor. Keep your purchase receipt as proof of purchase.

A user manual in PDF format is available for download from the official Yeelight support page: Yeelight Smart LED Filament Bulb User Manual (PDF)