This can have two reasons:
You have not configured a Wireless network.
Both network LEDs remain off, if you have not provided an SSID. Ex factory, the LogTag® LTI-WIFI interface does not have an SSID configured.
The interface is connected to a PC with LogTag® software running.
Please read Using the LTI-WIFI with LogTag® Software for details why the LED's do not turn on in this scenario.
For data to be uploaded to LogTag® Online, the network LED needs to be blue and the logger needs to be downloaded to the interface without an error. If the data are still not appearing in your LogTag® Online account, the interface may be registered against a different team. Sign in to your LogTag® Online account, click Devices and check that one of the registered devices has the serial number shown on the interface's serial label.
The interface communicates with the LogTag® Online server every 5 minutes. This connection can be unsuccessful, usually because of one of the following reasons:
- The network gateway is unavailable
- The DHCP server on your network is unavailable
- The DNS server is not accessible on the network
Port 18888 is not open in your firewall
These issues are related to your settings or your local network infrastructure. Please discuss them with your network or IT administrator.
- The interface's LogTag® Online cloud server connection details have not been configured correctly
The LogTag® Online cloud server is temporarily unavailable.
Please wait for 5 minutes until the next connection cycle. You can also unplug and reconnect the interface. Typically, these connection issues are just temporary, and the interface will connect again the next time.
If the interface does not connect, please discuss this with your IT network administrator.
If the red network LED remains permanently on, the interface could not establish a connection with the wireless network. This can have a number of reasons:
The Wireless Access Point is not in range, or off
Check the Wireless Access Point is in range. You can use a PC or mobile device to check which wireless networks are currently broadcasting in your location.
The SSID stored in the interface is not the one for the network in range
Check the SSID of the network you want to connect to. Start the Wi-Fi Wizard, select Easy Setup and make sure the SSID stored in the interface is the same as the SSID you want to connect to.
The Network Security Key for the network is incorrect
Start the Wi-Fi Wizard, select Easy Setup and enter the correct network security key.
This typically happens if you downloaded a logger in the past, but for some reason the data from the logger could not be uploaded to the cloud server. In this case , the interface will attempt to upload the data again, until it receives an acknowledgement from the server that the data have been received in full. This happens after each connection interval, or when you re-apply power to the interface.
Logger communication issues
This indicates a problem with the communication between interface and logger. The most common causes for this are a low battery, dirty contacts on the logger, trying to download a logger with a password where required or cancelling an operation mid way.