As titled:

Just picked up a new XT100 Sony soundbase to pair up with my Sony Bravia KD-43X8309C but getting constant connection issues.

The audio always works. It sometimes TV speaker and sometimes sound base sometimes both giving a weird delaying sound a millisecond apart.

I have the connection of HDMI straight from soundbase to TV Arc input to allow the TV and Sky remotes to work.

Sometimes I switch on and all works fine. Sometimes a message appears advising "TV speakers active due to audio system communication failure".

When I go to Sync menu on TV remote and choose Control audio system the home theatre control give a list of compatible audio systems but the HT-XT100 is. It listed.

Any help appreciated or should I just return it to retailer?