5 Troubleshooting
Troubleshooting
39
Trouble
shoo
ting
5
Troubleshooting
PROBLEM
CAUSE & CORRECTION
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 it 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.
No Power
y
The power cord is unpluged.
Plug in the power cord.
y
Check the condition by operating other electronic devices.
No sound
y
The speaker wires are disconnected. Check the speaker connections.
y
The volume is set to minimum. Adjust the volume level.
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.
No lighting
y
The Dimmer or the Sleep function is activated.
Press
SLEEP
to cancel the function.
Radio stations cannot
be tuned in properly.
y
The antenna is positioned poorly. Adjust its position.
y
The signal strength of the radio station is too weak.
Tune to the station manually.
y
No stations have been preset or preset stations have been cleared (when tuning
by scanning preset channels).
Preset some radio stations, see page 36 for details.
The remote control
does not work
properly.
y
The remote control is too far from the unit.
Operate the remote control within about 23 ft (7 m).
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 one.
NA9640D-FE_DGHALLK_ENG_2301.indd 39
2014-12-22 5:23:31