No sound is coming from the subwoofer

  • The playback source does not contain subwoofer channel signals or low-frequency signals.
  • Try to play content containing subwoofer channel signals, to see if any sound can be heard from the subwoofer.
  • The volume of the subwoofer is too low.
  • Turn up the volume of the subwoofer.
  • The power cord of the subwoofer is not connected to an AC wall outlet.
  • Connect the power cord of the subwoofer to an AC wall outlet.
  • The protection circuitry has been activated. (Both the STANDBY indicator and * indicator on the subwoofer are flashing.)
  • To protect the product, the power of the subwoofer cannot be turned on. Unplug the power cord from the AC wall outlet and contact the nearest authorized Yamaha dealer or service center.
  • The * indicator on the subwoofer is flashing.
  • The condition of the wireless connection is bad, and the subwoofer cannot be connected to the sound bar. Try the following.
    • Place the subwoofer closer to the sound bar.
    • If metal furniture is placed between the sound bar and subwoofer, change the layout or relocate the subwoofer.
    • If a device emitting electromagnetic waves (such as a microwave oven or a wireless LAN device) is located nearby, place the subwoofer and sound bar farther away from it.
  • The subwoofer is waiting for pairing with the sound bar. (The STANDBY indicator on the subwoofer is flashing.)
  • If the sound from the subwoofer could be heard until now without any problem:
    The PAIRING button on the subwoofer was accidentally pressed, and the subwoofer has been in the pairing state.
    Unplug the power cord of the subwoofer from the AC wall outlet, and then plug it in again after at least five seconds. Then, turn on the sound bar and it will function properly.
  • If this problem occurs after performing a pairing operation:
    Pairing failed.
    Unplug the power cord of the subwoofer from the AC wall outlet, and then plug it in again after at least five seconds. Check that the sound bar and subwoofer are installed properly, and try pairing the sound bar and subwoofer manually.