LG LAS450H Owner's Manual

4 Troubleshooting

32

Trouble

shoo

ting

The unit does not 

work properly.

 

y Turn off the power of this unit and the connected external device (TV, Woofer, 

DVD-player, Amplifier, etc.) and turn it on again.

 

y Disconnect the power cord of this unit and the connected external device (TV, 

Woofer, DVD-player, Amplifier, etc.) and then try connecting again.

 

y Previous setting may not be saved when device power is shut off.

No Power

 

y The power cord is unplugged. 

Plug in the power cord.

 

y Check the condition by operating other electronic devices.

No sound

 

y Incorrect input source is selected. 

Check the input source and select the correct input source.

 

y The mute function is activated. 

Press   (Mute) or adjust the volume level to cancel the mute function.

 

y When you are using connection with a external device (set top box, Bluetooth 

device etc.), adjust volume level of the device.

No woofer sound

 

y The power cord of the subwoofer is not connected. 

Plug the power cord into the wall outlet securely.

 

y Pairing between the unit and the subwoofer gets disconnected. 

Connect the unit and the subwoofer. (Refer to the page 12.)

No display 

 

y The DISPLAY OFF function is activated. 

Press SLEEP repeatedly to cancel the function. (Refer to the page 22)

The remote control 

does not work 

properly.

 

y The remote control is too far from the unit. 

Operate the remote control within about 7 m.

 

y There is an obstacle in the path of the remote control and the unit. 

Remove the obstacle.

 

y The batteries in the remote control is exhausted. 

Replace the batteries with new one.

The AUTO POWER 

function does not 

work.

 

y Check connection of the external device such as TV, DVD/Blu-Ray player or 

Bluetooth device.

 

y Check the state of SIMPLINK and turn off SIMPLINK.

 

y Depending on the connected device, this function may not operate.

LG Sound Sync does 

not work.

 

y Check whether your LG TV supports LG Sound Sync.

 

y Check connection of LG Sound Sync (Optical or wireless).

 

y Check sound setting of your TV and this unit.