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4 Troubleshooting
Troubleshooting
General
Problem 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, Amplier, etc.) and turn them on again.
y Disconnect the power cord of this unit and the connected external device (TV,
Woofer, DVD-player, Amplier, 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 not plugged in. Plug in the power cord.
y Check whether electricity failed.
Check the condition by operating other electronic devices using the same AC
outlet.
No sound
y Check whether you select right function.
Press function button and check if you have selected the right function.
LG Sound Sync does not
work
y Check whether your LG TV supports LG Sound Sync.
y Check connection of LG Sound Sync.
y Check sound setting of your TV and this unit.
NOTES to release Demo mode
Problem Cause & Solution
Can not change input source with ‘F’ key such as
BT (Bluetooth), USB etc. and only DEMO mode is
showing in the display.
y Press ‘DEMO’ Key on the unit for 15 seconds.
Remote Control does not work properly.
Troubleshooting 31
Troubleshooting
4
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