LG GX 420W 3.1-Channel Soundbar System - Manual (Page 40)

4 Troubleshooting
Troubleshooting 40
Troubleshoo
ting
4
Troubleshooting
General
Symptoms Cause & Solution
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 them 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 whether electricity failed.
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. (Page 17)
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 (23 ft).
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 on your LG TV 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.