Power is not supplied.

• The battery is discharged. Recharge the battery.
• Charge the product by connecting the power cord to the power input terminal.

There is no sound or the sound is distorted.

• The volume of product or the connected Bluetooth device may be set to the minimum. Adjust the volume of product or the connected Bluetooth device to the appropriate level.
• Using an external device with the maximised sound may distort the sound. Lower the volume of the external device to use.

The USB storage device is not recognised.

• The product may not support the file system of the USB storage device. Format the USB storage device and reconnect it. When formatting, check the supported USB storage device format available on the product and select an appropriate file system. ([ See “Connecting the product to a USB storage device” on page 23.)

Bluetooth connection failed.

• Check if the Bluetooth setting is enabled.
• Turn off the Bluetooth setting and on again on the Bluetooth device.
• Make sure there are no obstacles between product and the Bluetooth device.
• Bluetooth pairing (connecting) may fail depending on the Bluetooth device type and the surrounding environment.

The product does not operate normally.

• Battery discharge may cause the Bluetooth information to be deleted. If the product’s power supply is blocked, previous settings may not be saved.
• Use this product in a place where the temperature and humidity are not too high or low. If the problem continues, contact LG Electronics’ Customer Service Centre.
• If a problem occurs while charging the battery of the product, the battery LED alternates between red and amber and charging stops. Unplug the adapter from the outlet.

The above solutions do not work.

• Initializes the settings of the product. Press and hold the Function button on the product for 7 seconds or longer. ([ See “Initializing the Software” on page 26.)
• Use a sharp object such as a pin to press the RESET button. ([ See “Resetting the product” on page 26.)