1. Introduction
The SONOFF D1 Smart Dimmer Switch is a Wi-Fi enabled device designed to control the brightness of dimmable LED and incandescent light bulbs. It offers versatile control options including the eWeLink app, 433MHz RF remote control (sold separately), and voice control via Alexa and Google Home. This manual provides essential information for safe installation, operation, and maintenance of your D1 dimmer switch.
2. Safety Information
- WARNING: Risk of electric shock. Installation should be performed by a qualified electrician.
- Ensure power is turned OFF at the circuit breaker before installation or maintenance.
- Do not install with wet hands or when standing on wet surfaces.
- This device is for indoor use only.
- Do not exceed the maximum load ratings: 150W for dimmable LEDs or 200W for incandescent bulbs.
- A neutral wire is required for installation.
3. Product Features
- Smart Dimming: Adjust brightness from 1% to 100% via app, RF remote, or voice commands.
- Multiple Control Options: eWeLink App (iOS/Android), 433MHz RF remote control (RM433, sold separately), and voice control (Amazon Alexa, Google Home).
- Brightness Memory: The device remembers and reactivates the last lighting setting when powered on.
- Soft On/Off: Provides a comfortable visual effect with gradual light transitions.
- Overheat Protection: Built-in safety mechanism to prevent damage from excessive heat.
- Timing Schedule: Set schedules for automatic light control through the eWeLink app.
- Smart Scenes: Create custom automation rules with other smart devices in the eWeLink ecosystem.
- Share Control: Share device control with family members via the eWeLink app.
Image: Overview of SONOFF D1 Smart Dimmer Switch features, including app and remote control capabilities. Note: RM433 RF remote control is not included and must be purchased separately.
4. Setup and Installation
4.1. Before Installation
- Ensure your electrical system includes a neutral wire.
- Confirm that your light bulbs are dimmable LED (up to 150W) or incandescent (up to 200W).
- Download the eWeLink app from the App Store (iOS) or Google Play Store (Android).
4.2. Wiring Diagram
Follow the wiring diagram carefully. Incorrect wiring can cause damage to the device or electrical hazards. Always turn off power at the circuit breaker before wiring.
Image: Wiring diagram for the SONOFF D1 dimmer switch, illustrating connections for neutral (N in), live input (L in), and live output (L out) to the light fixture. Product dimensions are also shown.
- Connect the Live input wire to the "L in" terminal.
- Connect the Neutral input wire to the "N in" terminal.
- Connect the Live output wire to the "L out" terminal (to the light bulb).
- Connect the Neutral output wire to the "N" terminal (to the light bulb).
4.3. Mounting
The D1 dimmer switch is designed to fit into standard mounting boxes. Ensure the chosen mounting box is compatible with the device dimensions.
Image: The SONOFF D1 dimmer switch is compatible with 86 type, EU type, and US type mounting boxes, as indicated by the diagrams.
- The dimmer switch can be installed in 86 type, EU type, and US type mounting boxes.
- Secure the device within the mounting box after wiring is complete.
4.4. Pairing with eWeLink App
- After wiring and mounting, restore power to the circuit.
- Open the eWeLink app and register/log in.
- Put the device into pairing mode (refer to the app's instructions for specific steps, usually involves pressing a button on the device for a few seconds).
- Follow the in-app instructions to add the D1 dimmer switch to your Wi-Fi network.
5. Operating Instructions
5.1. App Control
Once paired with the eWeLink app, you can control the D1 dimmer switch from your smartphone or tablet.
- Open the eWeLink app and select your D1 device.
- Use the on-screen slider or touch area to adjust the brightness from 1% to 100%.
- Toggle the light on/off directly from the app.
- Set timing schedules and create smart scenes within the app.
Image: A user adjusting light brightness via the eWeLink app on a smartphone, demonstrating convenient dimming for various ambiances, such as preparing for sleep.
5.2. RF Remote Control (RM433, Sold Separately)
If you have purchased the SONOFF RM433 RF remote control, you can pair it with your D1 dimmer switch for local control.
- Refer to the RM433 remote control's manual for pairing instructions with the D1 switch.
- The RM433 remote allows for 4-level brightness adjustment.
- Use the remote to turn lights on/off and adjust brightness without needing the app.
Image: A couple enjoying a movie night, with a remote control nearby, illustrating the convenience of adjusting lighting with the optional RM433 remote for an immersive experience.
5.3. Voice Control
The D1 dimmer switch is compatible with Amazon Alexa and Google Home for hands-free control.
- Link your eWeLink account to your Alexa or Google Home app.
- Discover devices in your voice assistant app.
- Use commands such as:
- "Alexa, turn on [device name]."
- "Hey Google, dim [device name] to 50%."
- "Alexa, brighten [device name]."
5.4. Applicable Light Types
The SONOFF D1 supports:
- Dimmable LED light bulbs (up to 150W)
- Incandescent light bulbs (up to 200W)
Image: Examples of compatible lighting, including incandescent bulbs and dimmable LED lights, demonstrating the versatility of the D1 dimmer switch.
6. Maintenance
- Clean the device with a soft, dry cloth. Do not use abrasive cleaners or liquids.
- Regularly check wiring connections for tightness and signs of wear.
- Ensure the device is not exposed to excessive moisture or extreme temperatures.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | No power supply; incorrect wiring. | Check circuit breaker. Verify wiring according to the diagram (Section 4.2). |
| Cannot connect to Wi-Fi. | Incorrect Wi-Fi password; device too far from router; 5GHz Wi-Fi network. | Ensure correct 2.4GHz Wi-Fi password. Move device closer to router. SONOFF D1 only supports 2.4GHz Wi-Fi. |
| Lights flicker or do not dim properly. | Non-dimmable bulbs; incompatible bulb type; exceeding wattage limit. | Ensure bulbs are explicitly labeled as dimmable. Verify bulb wattage is within device limits (150W LED, 200W Incandescent). |
| Lights turn on/off randomly (phantom switching). | Electrical interference; unstable power supply; firmware issue. | Ensure stable power supply. Check for strong electromagnetic interference sources nearby. Update device firmware via eWeLink app. If issues persist, contact customer support. |
| RF remote control not working. | Remote not paired; battery low in remote. | Ensure the RM433 remote is correctly paired with the D1 switch. Replace remote battery if necessary. |
8. Specifications
| Model | D1 |
| Brand | SONOFF |
| Dimensions (L x W x H) | 6.2 x 4.7 x 3.2 cm |
| Weight | 50 Grams |
| Power Rating (Incandescent) | Max 200W |
| Power Rating (Dimmable LED) | Max 150W |
| Input Voltage | 100-240V AC 50/60Hz |
| Wi-Fi Standard | IEEE 802.11 b/g/n 2.4GHz |
| RF Frequency | 433.92MHz |
| Operating Mode | ON-OFF, Dimmer |
| Certification | IP00 |
| Material | Copper (contact material) |
9. Warranty and Support
SONOFF products come with a standard warranty. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official SONOFF website. For technical support, troubleshooting assistance, or further inquiries, please contact SONOFF customer service through their official channels.
Official Website: www.sonoff.com
