1. Entwodiksyon
The SONOFF S31 WiFi Smart Plug is a compact and intelligent outlet designed to bring convenience and energy efficiency to your home. With features like energy monitoring, voice control, and remote access, it allows you to manage your electronic devices from anywhere. This manual provides detailed instructions for setting up, operating, and maintaining your S31 Smart Plug.

Figure 1: SONOFF S31 WiFi Smart Plug and its accompanying eWeLink app interface showing energy consumption data.
2. Enfòmasyon sou Sekirite
Please read all safety warnings and instructions carefully before using this product to ensure safe operation and prevent damage. Keep this manual for future reference.
- The SONOFF S31 Smart Plug is ETL/FCC/RoHS certified, ensuring compliance with safety and environmental standards.
- It features overload protection. You can set threshold values for power, current, and voltage within the app to ensure connected devices operate safely and prevent potential hazards like overheating or fire.
- Maximum rated current: 15A. Maximum power: 1800W. Do not exceed these limits.
- Ensure the plug is fully inserted into a standard 120V outlet.
- Pa demonte oswa modifye aparèy la.
- Kenbe soti nan atenn timoun yo.

Figure 2: Key safety features of the SONOFF S31 Smart Plug, highlighting its certifications and protective mechanisms.
3. Pwodwi Features
The SONOFF S31 Smart Plug offers a range of features to enhance your smart home experience:
- Kontwòl Remote: Manage electronic devices from anywhere using the eWeLink app.
- Kontwòl vwa: Konpatib ak Amazon Alexa ak Google Home pou operasyon men lib.
- Siveyans Konsomasyon Enèji: Suivi pouvwa, kouran, ak volim an tan reyèltage of your appliances. Store up to 100 days of electricity usage data and total electricity cost.
- Planifikasyon ak Minutè: Create schedules and set timers to automatically turn devices on and off at specific times.
- Pwoteksyon Surcharge: Set limits for power, current, and voltage to protect your devices.
- Kontwòl LAN: Control devices within your local network even without internet access.
- Kontwòl pataje: Share control of the smart plug with family members through the eWeLink app.

Figi 3: Plis paseview of the smart features available with the SONOFF S31 Smart Plug.
4. Gid Enstalasyon
Swiv etap sa yo pou konfigire priz entelijan WiFi SONOFF S31 ou a:
- Telechaje aplikasyon eWeLink la: Chèche pou "eWeLink" on the App Store (iOS) or Google Play Store (Android), or scan the QR code provided in the quick start guide included with your product. Install the app on your smartphone or tablet.
- Enskri epi konekte: Open the eWeLink app, register a new account if you don't have one, and then log in.
- Branche priz entelijan an: Insert the SONOFF S31 Smart Plug into any standard 120V wall outlet. Ensure the outlet is powered.
- Antre nan Mode Pè: Press and hold the button on the smart plug for approximately 5 seconds until the LED indicator starts blinking rapidly. This indicates it's in pairing mode.
- Ajoute yon aparèy nan aplikasyon an: Open the eWeLink app, tap the "+" icon in the upper right corner, and follow the on-screen instructions to add your device. You will need to select your 2.4GHz Wi-Fi network and enter its password. Note: The SONOFF S31 only supports 2.4GHz Wi-Fi networks. Ensure your device is connected to a 2.4GHz network during setup.
- Bay aparèy ou non: Yon fwa ou fin konekte ploge entelijan ou a avèk siksè, ou ka bay ploge entelijan ou yon non (pa egzanp, "Salon L"amp," "Coffee Maker") for easy identification and control.

Figure 4: Visual guide for the quick setup process of the SONOFF S31 Smart Plug.
5. Operasyon Enstriksyon
5.1. Kontwòl Aplikasyon Remote
After successful setup, you can control your smart plug from anywhere with an internet connection:
- Louvri aplikasyon eWeLink la.
- Tap on the device name to toggle it on or off.
- Access detailed settings, including power monitoring, schedules, and timers, by tapping on the device icon.

Figure 5: Remote control of the smart plug via the eWeLink app.
5.2. Kontwòl vwa
The SONOFF S31 is compatible with Amazon Alexa and Google Home. To enable voice control:
- Link your eWeLink account to your Amazon Alexa or Google Home app.
- Discover devices within the Alexa or Google Home app.
- Sèvi ak kòmandman vokal tankou:
- "Alexa, limen [non aparèy la]."
- "Hey Google, etenn [non aparèy la]."

Figi 6: Kontwòl vwa men lib avèk Amazon Alexa ak Google Home.
5.3. Power Consumption Monitoring
Monitor your energy usage directly from the eWeLink app:
- In the eWeLink app, select your S31 Smart Plug.
- Navigate to the "Consumption" or "Power Monitoring" section.
- View real-time power (Watts), current (Amps), and voltage (Volts).
- Access historical data for up to 100 days to track trends and total electricity cost.

Figure 7: Detailed power consumption monitoring within the eWeLink app.
5.4. Overload Protection System
The S31 Smart Plug includes an overload protection system to safeguard your appliances and home:
- Within the eWeLink app, go to the device settings for your S31 Smart Plug.
- Locate the "Overload Protection System" (OPS) settings.
- Set maximum thresholds for power, current, and voltage. If the connected appliance exceeds these set limits, the smart plug will automatically turn off to prevent damage or fire.

Figure 8: Configuring overload protection settings for the SONOFF S31 Smart Plug.
6. Antretyen
Pou asire pèfòmans optimal ak lonjevite ploge entelijan SONOFF S31 ou a:
- Keep the device clean and dry. Use a soft, dry cloth for cleaning. Do not use liquid cleaners or sprays.
- Evite ekspoze aparèy la nan tanperati ekstrèm, imidite, oswa limyè solèy la dirèk.
- Do not place heavy objects on the smart plug or connected cables.
- Regularly check for firmware updates in the eWeLink app to ensure you have the latest features and security enhancements.
NAN. Depanaj
If you encounter issues with your SONOFF S31 Smart Plug, refer to the following common problems and solutions:
| Pwoblèm | Kòz posib | Solisyon |
|---|---|---|
| Device cannot connect to Wi-Fi / Pairing fails. |
|
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| Device is offline in the app. |
|
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| Kontwòl vwa a pa fonksyone. |
|
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8. Espesifikasyon
| Spesifikasyon | Valè |
|---|---|
| Nimewo Modèl | S31 |
| Egzijans WiFi | 2.4Ghz sèlman |
| Rated Voltage | 120V |
| Rated aktyèl | 15A Max |
| Max pouvwa | 1800W |
| AC Frekans | 2.4 Ghz (This seems to be a typo in source, likely meant Wi-Fi frequency) |
| Dimansyon pwodwi | 3 x 1.57 x 1.3 pous |
| Pwa atik | 3.2 ons |
| Materyèl | Polikarbonat (PC) |
| Sètifikasyon | ETL, FCC, RoHS |
Note: The maximum power may vary based on local voltage.
9. Garanti ak sipò
The SONOFF S31 WiFi Smart Plug comes with a 1 ane garanti soti nan dat acha a.
For technical support, troubleshooting assistance, or warranty claims, please visit the official SONOFF websit la oubyen kontakte sèvis kliyan yo. Kenbe resi acha w la kòm prèv acha pou rezon garanti.
Ou ka jwenn plis enfòmasyon ak resous sipò nan Magazen SONOFF sou Amazon.





