44
CQ-CB9900U
CQ-CB9900U
45
Troubleshooting
(continued)
Error Display Messages
Radio
Remote Control Unit
Problem
Possible cause
Possible solution
No response to
pressing buttons
The battery is inserted in the
wrong direction. A wrong battery is
inserted.
Insert a correct battery in the correct
direction.
The lithium battery is weak.
Replace the battery with new one.
The aiming direction of the remote
control unit is wrong.
Aim the remote control unit at the
sensor of the unit and press buttons.
The sensor is exposed to direct
sunlight. (The remote control
unit may not be operable when
the sensor is exposed to direct
sunlight. In such a case, the
system is not faulty.)
Block off sunlight to the sensor.
* If all the fi les cannot be played, E4 remains on the display.
Disc is dirty, or is upside down.
Check the disc.
Display
Possible cause
Possible solution
Disc has scratches.
Check the disc.
The player cannot read the fi le you
are trying to play for some reasons.
(File recorded in an unsupported
fi le system, compression scheme,
data format, fi le name extension,
damaged data, etc.)
Select a fi le that the player can read.
Confi rm the type of data recorded
on the disc. Create a new disc if
necessary.
MP3/WMA
*
No disc in the player.
Insert a disc into the player.
An attempt has been made to play
a copy-protected WMA fi le.
Play WMA fi les which are not
copy-protected.
WMA
No operation by some cause.
If normal operation is not restored,
call the store where you purchased
the unit or the nearest Panasonic
Servicenter to ask for repairs.
CD/MP3/WMA
Display
Possible cause
Possible solution
Digital broadcasts cannot be
received because something is
wrong.
(However, analog broadcasts can
still be received.)
Call the store where you purchased
the unit or the nearest Panasonic
Servicenter to ask for repairs.
