Samsung HT-TWZ312 surround sound probs

With the home theater system off, press the 0-1-3-5 buttons in that order on the home theater's remote control.

Power on the home theater system.

With the wireless module on, press the [ID SET] button on the back of the wireless module for five seconds.

If your home theater continues to display rear check after you have tried the steps above, call Samsung Customer Care at 1-800-SAMSUNG (1-800-726-7864). Have your model number and serial number on hand to set up service.

Hope this helps!