LG CM2640 Owner's Manual

4 Troubleshooting

28

Trouble

shoo

ting

No Power.

 

y Plug in the power cord.

 

y  Check the condition by operating other electronic devices.

No sound.

 

y Press FUNCTION or FUNC. and check the selected function.

 

y If not, connect speaker cables correctly. Speaker cables connected correctly.

The unit does not start 
playback.

 

y Insert a playable disc.

 

y Clean the disc. (Refer to the 31 page)

 

y Insert the disc with the label or printed side facing upward.

Radio stations cannot be 
tuned in properly.

 

y  Connect the antenna securely.

 

y  Tune to the station manually.

 

y  Preset some radio stations, see page 22 for details.

Android device does not 
work.

 

y Check whether your device’s O/S is ver 4.1(or later) or AOA 2.0 (or later).

 

y Connect your Android device using USB cable firmly.

The remote control does 
not work properly.

 

y Operate the remote control within about 7 m.

 

y Remove the obstacle in the path of the remote control and the unit.

 

y Replace the batteries with new ones.

Clock is not displayed.

Connect your Bluetooth device to your unit through “LG Bluetooth Remote” app 
for time sync.