Power is not supplied.

• Plug the power cord into the wall outlet securely.
• Check whether electricity failed.
• Check the condition by operating electronic devices using the same AC outlet

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.
• Is the mute function activated?
• If “MUTE” appears on the status display, the mute function is on. Press the Mute button on the remote control to unmute.

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 14.)

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.

• Please beware that previous product settings may be lost.

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.