As a rule of thumb:
If your Lilypad has disconnected - from the server, from your home’s WiFi, or even just from life - we recommend simply unplugging the Lilypad from the wall, and plugging it back in.
This is called “power cycling” and is often a good way to get your Lilypad up and running again. If at first it doesn’t work, try it again. Maybe even try it a third time, and it should resolve the issue. A simple reset goes a long way.