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Connect the power cords for the soundbar and the subwoofer to the back of each, and then plug both into a wall outlet. Use a small pointed object to press the ID SET button on the back of the subwoofer. Continue holding until STANDBY turns off and LINK (Blue LED) blinks quickly.
I suggest turning off and unplugging everything from the power, then disconnect everything from each other. See if you can get it to pair again. Otherwise, please give more details on which model sound bar and subwoofer.
Thank you.
There is a button on the back of the sub that you need to press to complete the pairing..the led will be green when paired successfully or red if it is in standby mode
Easy fix. No soldering. We have 4 of them. Did not want to fill the landfill. Found the noise coming from the power supply with a scope. Studied the Service Manual. Discovered that they use the exact same power supply in both sound bar and subwoofer. Swapped them. and thing work perfectly with no noise coming from the subwoofer that i can tell. Definitely no noise coming from the sound bar.
A bit more details: I connected my iPhone to the sound bar. Played Spotify with the volume turned all the way down. Static loud and clear on sound bar. On my sound bar, I discovered the static went away after about 15 minutes. I could see it go away with scope. Disconnect power for about 2 minutes and when reattached, static starts again. Static went away again after about 15 minutes.
Disconnect Power FIRST. Get your electric screwdriver and remove a bunch of screws including the screws on the connector panels. The power supply has a large yellow transformer and two silver heat sinks. AC power goes in one end and a single strip connector with a bunch of wires comes out the other. MAKE SURE POWER IS DISCONNECTED!!!! This could kill you if you miss this step. Remove the power supply.
Disconnect power on your subwoofer. Remove the 4 silver screws on the bottom of the subwoofer. There are about 4 black screws with little arrows holding the back panel in place. Remove those. You will only be able to slide the assembly out about 2 inches. Cut the white wire tie on the big foam covered wire. This is the speaker wire and once the wire tie is cut, you can remove the assembly about halfway. You will see a little coil of wire with three wire attached with another white wire tie. (Ferrite core just in case you wanted to know). Cut the wire tie and the entire assembly will come out. Remove the speaker and the three wires from the connectors and the whole assembly slides out.
Swap the power supply with the one from the sound bar. Put it all back together or test it if you want to insure this fixes it.
Enjoy!
The wireless link indicator lights red. Or alternates red and green. There is no link between this unit and the active
subwoofer.
Check that this unit is turned on. Ensure that the digital transmitter is fully inserted
into the digital transmitter dock on this unit.
Turn the active subwoofer off and then back on.
Alternatively, turn the active subwoofer off,
disconnect the AC power supply cord and then
reconnect it.
Consult your dealer if the problem persists.
You will need to take the following steps to ensure that the Vizio wireless subwoofer is working properly:1) You will want to make sure that the subwoofer is in the line of sight of the Vizio sound bar. 2) Ensure the Vizio wireless subwoofer is not beyond 60 ft. away from the sound bar.3) Unplug both the Vizio sound bar and the Vizio wireless subwoofer for 30 seconds and then plug back in.4) Try re-pairing
the devices. Pairing works best when you have the devices facing each
other about a foot apart during initial pairing, once they are paired
you can move them to your desired location.
It could be that the unit is bad, it could also be that the device providing the input is bad. I doubt the cables are bad, but that could be also. Could it be possible that your television has a menu setting that turns the outputs off and on?
Even without the sub, you still get sound through the Bar.
Only way to test it is, different cables, alternate device to provide input for sound.
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