The WA2000 has a single red status LED:
When the WA2000 is idle (no BLE or Wi-Fi connection), the status LED is blinking once every second.
The LED is on when:
There is a BLE connection;
The Wi-Fi interface is in the station mode and is associated with an access point; or
The Wi-Fi interface is in the access point ("own network") mode and there is a station associated with it.