dmesg shows no errors but Kaffeine says: "device not connected"

Sep 29 23:15:07 ubuntu kernel: [  181.568074] usb 1-1: new full speed USB device using uhci_hcd and address 4
Sep 29 23:15:07 ubuntu kernel: [  181.750377] usb 1-1: configuration #1 chosen from 1 choice
Sep 29 23:15:07 ubuntu kernel: [  181.778030] dvb-usb: found a 'AverMedia AVerTV Volar Black HD (A850)' in cold state, will try to load a firmware
Sep 29 23:15:07 ubuntu kernel: [  181.778054] usb 1-1: firmware: requesting dvb-usb-af9015.fw
Sep 29 23:15:07 ubuntu kernel: [  181.791641] dvb-usb: downloading firmware from file 'dvb-usb-af9015.fw'
Sep 29 23:15:07 ubuntu kernel: [  182.086995] dvb-usb: found a 'AverMedia AVerTV Volar Black HD (A850)' in warm state.
Sep 29 23:15:07 ubuntu kernel: [  182.091558] dvb-usb: will use the device's hardware PID filter (table count: 32).
Sep 29 23:15:07 ubuntu kernel: [  182.092647] DVB: registering new adapter (AverMedia AVerTV Volar Black HD (A850))
Sep 29 23:15:08 ubuntu kernel: [  182.649884] af9013: firmware version:4.95.0
Sep 29 23:15:08 ubuntu kernel: [  182.673886] DVB: registering adapter 0 frontend 0 (Afatech AF9013 DVB-T)...
Sep 29 23:15:08 ubuntu kernel: [  182.678299] MXL5005S: Attached at address 0xc6
Sep 29 23:15:08 ubuntu kernel: [  182.678322] dvb-usb: AverMedia AVerTV Volar Black HD (A850) successfully initialized and connected.