Make sure the speaker is fully charged or connected to the AC adapter, and the adapter is plugged into a live outlet.
Make sure that you are connecting to a personal network (2.4Ghz, 802.11 b/g/n) and not an enterprise network such as in a business setting or college dorm.
Make sure your device is on the same network.
Make sure to press and hold the “Wi-Fi” button for 5 seconds to initiate the Wi-Fi network search.
If the issue persists, restore the CAV1 to the factory settings. See “reset” FAQ.