First we need to check there's nothing wrong with the connections.
These error messages can sometimes be cleared just by restarting the phone and waiting a few minutes. You can get error messages due to gaps in connectivity (WiFi / Bluetooth) and it can reset. However if you've gone through these steps, and its continually happening, you need a new sensor.
1. Restart your phone
This often fixes most issues.
2. Check the transmitter
3. Check Bluetooth and WiFi is on
Please check your data and bluetooth settings, and restart your phone.
You have two settings to check. First make sure this is on (green)
Settings > Bluetooth
Secondly (and most importantly!) go to this and make sure Limbo is on (green)
Settings > Privacy & Security > Bluetooth
4. Disconnect and reconnect the AiDEX transmitter
Go into your profile section, navigate to the AiDEX transmitter, and click on the 'x' to disconnect.
Close the Limbo app, by swiping up from the bottom of the screen.
Check you have the latest version of the Limbo app, by going to the app store and searching for Limbo Revolution
Restart your phone
Open the Limbo app, it will go through the set up instructions. Select AiDEX, and click to confirm the transmitters serial number. Continue clicking until you see pairing.