The StudioLive 16.0.2 is a FireStudio family device.
To hear playback from the Mains:
1. Link channels 1 and 2 on the 16.0.2
2. Engage FireWire return for channels 1 and 2.
If you do not hear playback from Mains, then your 16.0.2 may be faulty.
Or, you may need to have the proper and current drivers installed. After install, click the Settings menu in Universal Control panel.
Check Firmware and Factory Reset.