The product does not work properly

• Unplug the power cables and any external devices such as your TV, subwoofer, or amplifier from the product, then plug them in again.

The power does not turn on

• Is the power cord plugged into the outlet properly?
• Connect the power plug to the outlet correctly.

There is no sound

• Is the volume set to minimum?
• Press the Volume button on the remote control to turn up the volume.
• If you are using an external device such as a set-top box, portable device, or Bluetooth device, adjust the volume of the external device.
• Is the mute function activated?
• If all the three LEDs are blinking in Yellow green, the mute function is on. Press the Mute button to unmute.
• Is the correct product function selected according to the external device connected?
• Press the Function button to check if you selected the correct function.

The subwoofer does not produce sound

• Is the product properly connected to the wireless subwoofer?
• If the LED on the front of the wireless subwoofer is blinking green or lit in red, it means it is not connected. If the connection is established, a green light will appear. Reconnect the product to the wireless subwoofer. ([ See “Connecting the Product” on page 6.)

The remote control does not work properly

• When using the remote control, point it at the front of the product.
• Use the remote control within a 7-m radius of the product.
• Replace the batteries with new ones as needed.

LG Sound Sync does not work

• Check whether your TV supports LG Sound Sync.
• Check if the TV is properly connected to the product via an optical cable.
• Press the Settings button on the TV remote control to check if the function is turned on in [LG Sound Sync].

The product volume is low

• Check the following and change the settings accordingly.
• Run the LG Sound Bar app, tap the Settings button on the first screen, and change the [DRC] function to [Off] on the [Sound Settings] menu.
• When the product is connected to a TV, press the Settings button on the TV remote control, select the [Speaker] menu, and change the [Digital Sound Output] setting from [PCM] to [AUTO] or [BITSTREAM].
• If the product is connected to a playback device such as a DVD player or Blu-ray disc player, go to the connected device's Settings menu. Change the [Digital Sound Output] setting from [PCM] to [PRIMARY PASS-THROUGH] or [BITSTREAM]. Set the [DRC] of the connected device to [OFF].

The product fails to recognise a USB storage device

• The product may not support the file format of the USB storage device. Format the USB storage device and reconnect it. When formatting, refer to the USB storage device formats supported by the product and select an appropriate file format. ([ See “Connecting to a USB Storage Device” on page 29.)

A Bluetooth device cannot be paired

• Press the Settings button on the Bluetooth device and check whether the Bluetooth function is enabled. If Bluetooth is enabled, turn it off and on, then try again.
• Remove any obstacles between the product and the Bluetooth device.
• Bluetooth pairing (connection) may not work properly depending on the Bluetooth device type or the surrounding environment.

There is radio interference

• Install the product and the wireless subwoofer as close to each other as possible.
• Do not install the product on metal furniture.
• Wireless communication may not work properly in weak signal areas.

The Bluetooth connection is causing a malfunction or making noise

• Do you hear noise or experience malfunctions when using Bluetooth?
• Do not let any part of your body contact the transceiver of the Bluetooth device or the product.
• Do not install the Bluetooth device on a wall or in a secluded spot.
• Remove any obstacles between the product and the Bluetooth device.
• Install the Bluetooth device near the product.
• When the Bluetooth device is too far from the product, Bluetooth may be disconnected or malfunctions may occur.
• Install the Bluetooth device 1 m away from devices that use the same frequency as the product, such as wireless routers, medical equipment, and microwave ovens.