In some cases that you find Senzo-U sensors are not working properly, a reset could be performed to reload or overwrite the configurations.

Back panel of the Senzo-U

Figure 1 – Back panel

Soft Reset

A soft-reset can reload sensors' configuration without erasing any hard-coded settings.

When the sensor is powered on, press and hold the reset button (4) until the LED (3) starts blinking yellow.
Switch the sensor OFF with the Power Switch (1).
Wait for 10 seconds.
Switch the sensor ON with the Power Switch.

A hard-reset can be used to reconfigure the sensors in case the Network information was set up incorrectly.

When the sensor is powered on, press and hold the reset button (4) until the LED (3) starts blinking yellow.
Open Settings > Wi-Fi on your phone (maybe different depends on the model), it will show a Wi-Fi network named “SenzoLive-MAC Address” on the list.
Connect to the network with password “senzo”. (Android devices from version 6 will display a message ‘This network has no internet access, stay connected?’ Always select ‘Yes’)
After connecting to the SenzoUnit, the LED will blink green rapidly. Open Safari, Chrome or Firefox internet browser and type the following address http://192.168.0.1
The following configuration screen appears, insert the new network information (SSID and Password) if required. The server address, port, and passphrase are automatically filled.
After “Save”, the LED switches off and the following line is shown on the website: “Configuration saved, resuming operative mode” indicates completed process.