Troubleshooting - LG NB3540 Owner's Manual

Troubleshooting

PROBLEM
y Turn off the power of this unit and the connected external device (TV, Woofer,
The unit does not
y Disconnect the power cord of this unit and the connected external device (TV,
work properly.
y The power cord is unpluged.
No Power
y Check the condition by operating other electronic devices.
y Incorrect input source is selected.
y The mute function is activated.
No sound
y When you are using connection with a external device (set top box, Bluetooth
y The power cord of the subwoofer is not connected.
No woofer sound
y Pairing between the unit and the subwoofer gets disconnected.
y The DISPLAY OFF function is activated.
No display
y The remote control is too far from the unit.
The remote control
y There is an obstacle in the path of the remote control and the unit.
does not work
properly.
y The batteries in the remote control is exhausted.
y Check connection of the external device such as TV, DVD/Blu-Ray player or
The AUTO POWER
function does not
y Depending on the connected device, this function may not operate.
work.
y Check whether your LG TV supports LG Sound Sync.
LG Sound Sync does
y Check connection of LG Sound Sync (Optical or wireless).
not work.
y Check sound setting of your TV and this unit.
DVD-player, Amplifier, etc.) and turn it on again.
Woofer, DVD-player, Amplifier, etc.) and then try connecting again.
Plug in the power cord.
Check the input source and select the correct input source.
Press MUTEi or adjust the volume level to cancel the mute function.
device etc.), adjust volume level of the device.
Plug the power cord into the wall outlet securely.
Connect the unit and the subwoofer. (Refer to the page 12.)
Press SLEEP repeatedly to cancel the function. (Refer to the page 18.)
Operate the remote control within about 7 m.
Remove the obstacle.
Replace the batteries with new one.
Bluetooth device.
CAUSE & CORRECTION
Troubleshooting 27
4