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The Daily Insight

Why is my sound bar light flashing?

Author

David Jones

Published Mar 30, 2026

Why is my sound bar light flashing?

When a product has a flashing blue LED, this indicates that it is in Bluetooth Pairing mode. Go to your Bluetooth settings in your smartphone / tablet and select the model number from the list. Your device will now pair.

Why does my subwoofer not connect to the soundbar?

Then blue wireless connection light blinks constanty and never connects to the soundbar. This occurs even when the manual reset steps are completed: 1) press ID Set button on back of sub-woofer with small object (when I do this, the red light comes on for a second, goes out and the blue light blinks),

What to do if your sound bar is not working?

Look for the soundbar lights to begin flashing to indicate a successful pair. If the red light is not blinking or the subwoofer is still not working, you’re likely in need of a replacement subwoofer and/or soundbar as mentioned towards the end of this article.

How can I connect my LG sound bar to my subwoofer?

Here’s the best way for you to connect an LG soundbar to a subwoofer. Turn the subwoofer on. You should see a red light on the front of the subwoofer, which indicates that it’s in standby mode.

Why is the blue light on my subwoofer not working?

As soon as the subwoofer is plugged in to the power outlet, the red light displays for a second, goes out and then the blue light blinks constantly. It will only stop blinking blue when unplugged from power. The manual says it should blink for 30 seconds and then go into Stand by mode (blue light off and red light on solid).

Why does my subwoofer not sync with my sound bar?

Up untill recently the pair have worked together fine. Now though, the subwoofer won’t sync to the soundbar. When the subwoofer is powered on, the red stand by light comes on for a second and goes out. Then blue wireless connection light blinks constanty and never connects to the soundbar. This occurs even when the manual reset steps are completed:

Look for the soundbar lights to begin flashing to indicate a successful pair. If the red light is not blinking or the subwoofer is still not working, you’re likely in need of a replacement subwoofer and/or soundbar as mentioned towards the end of this article.

How do you turn off a subwoofer on a sound bar?

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. While the soundbar is turned off, press and hold Mute on the remote control. Note: Some soundbar models have an ID SET button on the soundbar that can be used instead.

What to do if your subwoofer is not pairing up?

If you run into a pairing issues it is important to unplug everything from the main unit (all HMDI and other connections except for power) and reset the bar by pressing and holding three buttons (volume up and down and source) until the device shows that is has reset. Unplug the power cable and unplug the subwoofer.