Owner's Manual

4 Troubleshooting
Troubleshooting 21
Troubleshooting
4
Troubleshooting
PROBLEM CAUSE & CORRECTION
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
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 LED
y
The Dimmer or the Sleep function is activated.
Press SLEEP to cancel the function.
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 (7m).
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 is exhausted.
Replace the batteries with new one.
The AUTO POWER
function does not
work.
y
Check the state of SIMPLINK and turn o SIMPLINK.
y
Depending on the connected device by the optical cable, this function may not
operate.
NB2520A-NU_DRUSLLK_ENG.indd 21 2012-07-09  9:11:25