R1c0

I just purchased a Cinema 600 system with the surround 3 speakers. I hooked everything up Friday night and everything was working great. Then yesterday I power up the system to watch a few shows and movies and only the right side surround 3 speaker is playing sound. The left one will not play any sound no matter what. I tried resetting and reconnecting everything multiple times. I updated the software on the sound bar and woofer, and that did not help either. Can anyone offer any advice on what to do?