LG CKS57F Owner's Manual page 40

40 Troubleshooting
Problem
The remote control does
not work properly
No speaker light
LG Sound Sync does not
work
4
y The remote control is too far from the unit.
Operate the remote control within about 7 m (23 feet).
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 are exhausted.
Replace the batteries with new ones.
y Check whether the speaker light cables are connected to the unit correctly.
Connect the speaker light cables to the unit correctly.
y Check the speaker light effects by pressing LIGHTING on the unit. (Page 33)
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.
Cause & Solution