SONOFF S31 15A iPLUG WiFi Smart Plug User Manual
- June 6, 2024
- SonOFF
Table of Contents
SONOFF S31 15A iPLUG WiFi Smart Plug
Product Introduction
The device’s weight is less than 1 kg. An installation height of fewer than 2
is recommended. 
Features
This is a smart plug. After pairing it with eWelink App, you can turn on/off
the connected devices via the smart phone wherever you are, schedule its
on/off, share it with your families to control
together, etc.
Note: Power monitoring and over-load protection are only available for 540TPB.
eWeLinkApp pairing
Download the eWelink App
Power on
After powering on, the device will enter the Bluetooth Pairing Mode during the
first use. The Wi-Fi LED indicator changes in a cycle of two short and one
long flash and release.
0The device will exit the Bluetooth Pairing Mode if not be paired within
3mins. If you want to enter this mode again, please long press the pairing
button for aboutSs until theWi-Fi LED indicator changes in a cycle of two
short and one long flash and release.
Add device
Tap•+• and select nBluetooth Pairing•, then operate following the prompt on the App.
FFS setup instruction
Frustration-Free Setup has two different modes of operation: Zero-Touch Setup (ZTS) and Barcode Setup (BCS). The FFS process first attempts ZTS to setup a device, and falls back to BCS if ZTS is not possible.
Zero-Touch Setup ( ZTS )
-
Download the latest Amazon Alexa App and pair it with Amazon Echo.
Note: Add Amazon Echo based on the user manual, and note that you are required to check: “Save password to Amazon” to make FFS setup flow complete.
-
Download the eWelinkApp
-
Bind accounts
Bind the Alexa and eWelink App account to complete Account Linking.
Note:
If your eWelinkApp has been binded with Alexa App, please ignore the above
processes. -
Add devices
Ensure the account you sign up Alexa App is same with that one you purchased devices on Amazon.com. After powering on, the device will enter the FFS pairing mode, the Wi-Fi LED indicator changes in a cycle of two short and one long flash and release. Then wait for 1-2 minsto fresh the device list on Alexa App and eWelink App, and the added device will appear in the device list. To control it, say”Alexa, turn on First Plug” -
The device will exit the FFS pairing mode if not paired within 3mins. If you want to enter this mode, please long press the pairing button for about 5s until the Wi-Fi LED indicator changes in a cycle of two short and one long flash and release.
-
your device is not able to successfully setup using Zero-Touch Setup (ZTS), which probably because it is not purchased on Amazon.com, you can attempt Barcode Setup (BCS) to complete FFS setup.
Barcode Setup (BCS)
Please refer to the first 3 steps of Zero-Touch Setup ( ZTS ) for Barcode
Setup (BCS) setup.
Add devices
Scan the bar code near the “keyw icon on the side of the package by Alexa App
and then add the device according to the prompt on the App. Power on your
smart device and fresh the device list in both Alexa App and eWelinkApp after
it is added successfully, then you will see it in the device list. To control
it, say”Alexa, turn on First Plug.
BarcodeSetup(BCS) is not available now. You can pay attention to our website
(sonoff.tech) or consult our customer service for the
available time.
Specifications
IMnopduet l| S40TPB, S40TPB Lite
120V- 60Hz
---|---
Max. Load| I1E5EAE/1880020.1W1 b/g/n 2.4GHz
WApi-operating systems|
| Android &iOS
Bluetooth Standard| 4.2BLE
CWoolorkring temperature| White
| -10-40 C
Shell material| PC VO °
Dimension| 76x40x32mm
|
Wi-Fi LED indicator status instruction
Flashes (one long and two short): Bluetooth pairing mode Keeps on: Device is online Flashes quickly once: Fail to connect to router Flashes quickly twice: Connected to router but fail to connect to Serve Flashes quickly three times: Firmware updating
Switch Network
Select the “Wi-Fi Settings” in the “Device Settings” interface on the
eWelink App to change.
Factory Reset
Deleting the device on the eWeLink App indicates you restore it to factory
setting.
Common Problems
Fail to pairWi-Fi devices with eWelinkApp
- Make sure the device is in pairing mode. The device will automatically exit the pairing mode if not paired within3mins.
- Please turn on the location service on your mobile phone and give the permission. Before choosing the Wi-Fi network, the location service should be turned on and the permission is given. Location information permission is used to obtain Wi-Fi list information. If you tap “Disable”, the device will not be added.
- Make sure you’re-Fi network runs on the 2.4GHz band.
- Make sure you entered a correct Wi-Fi SSID and password, no special characters contained.A wrong password is a very common reason for pairing failure.
- You may get the device close to the router for a good signal transmission while pairing.
- Please try to pair the device in the compatible mode.
Wi-Fi devices “Offline” issues
Please check the following issues by the Wi-Fi LED indicator status; The LED
indicator blinks once every 2s means you fail to connect to the router.
- Maybe you entered a wrongWi-Fi SSID and password.
- Make sureyourWi-Fi SSID and password don’t contain special characters, for example, the Hebrew, Arabic characters. Our system can’t recognize these characters so that fail to connect to theWi-Fi.
- Maybe your router has a lower carrying capacity.
- Maybe the Wi-Fi signal strength is weak. Your router is too far away from your device, or there may be some obstacles between the router and the device so that the signal transmission is blocked.
- Be sure that the MAC of the device is not on the blacklist of your MAC management.
The LED indicator flashes twice on repeated means you fail to connect to the server.
- Make sure the Internet connection is normal. You can use your phone or PC to connect to the Internet, and if you fail to access, please check the availability of the Internet connection.
- Maybe your router has a low carrying capacity. The number of devices connected to the router exceeds its maximum value. Please check the maximum number of devices thatyour router can carry. If the number of connected devices exceeds the maximum value, please delete some devices or change a lager router and try again.
- Please contact your ISP and confirm our server address is not shielded:
cn-disp.coolkit.cc (China Mainland) as-disp.coolkit.cc (in Asia except China) eu-disp.coolkit.cc (in EU)
us-disp.coolkit.cc (in US)
If none of the above methods solved this problem, please submit your issue via help &feedback on the eWelinkApp.
FCC Warning
Changes or modifications not expressly approved by the party responsible for
compliance could avoid the user’s authority to operate the equipment.
This device complies with part 15 of the FCC Rules. Operation Is subject to
the following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
FCC Radiation Exposure Statement:
This equipment complies with FCC radiation exposure limits set forth for an
uncontrolled environment. This equipment should be installed and operated with
minimum distance20cm between the radiator & your body. This transmitter must
not be co-located or operating in conjunction with any other antenna or
transmitter.
Note:
This equipment has been tested and found to comply with the limits for a Class
B digital device, pursuant to part 1S of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and
on, the user is encouraged to try to correct the interference by one or more
of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
https://sonoff.tech/usermanuals
Scan the QR code or visit the website to check the latest user manual and
help. Shenzhen SonoffTechnologies Co., Ltd. 3F & 6F, Bid A, No. 663, Bu long
Rd, Shenzhen, GD, China Website: sonoff.tech ZIP
codec518000
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