Troubleshooting
Problem Cause Measure
CD/MP3/WMA
No sound heard.
Sound skips or is noisy.
Sound is cut or skipped.
Noise is generated or
noise is mixed wi t h
sound.
Sound is bad directly
after power is turned on.
Wrong filename
MP3/WMA files are ab
-
sent in a disc.
Files are not recognized
as an MP3/WMA file.
File system is not cor-
rect.
Disc is dirty.
Disc is heavily scratched
or warped.
MP3/WMA files are not
encoded properly.
Water droplets may form
on the internal lens when
the car is parked in a
humid place.
File system is not cor
-
rect.
Write MP3/WMA files onto the disc properly.
Use MP3/WMA files encoded properly.
Use ISO9660 level 1, 2 or JOLIET or Romeo
file system.
Clean the disc with a soft cloth.
Replace with a disc with no scratches.
Use MP3/WMA files encoded properly.
Let dry for about 1 hour with the power on.
Use ISO9660 level 1, 2 or JOLIET or Romeo
file system.
Replace with a new USB drive.
Problem Cause Measure
MP3/WMA
(
USB Drive
)
No sound heard.
Sound is cut or skipped.
Noise is generated or
noise is mixed wi t h
sound.
USB drive cannot be
detected.
USB drive is unable to
plug into the USB port.
MP3/WMA files are ab
-
sent in a USB drive.
Files are not recognized
as an MP3/WMA file.
MP3/WMA files are not
encoded properly.
USB drive may be dam
-
aged.
The USB drive connec
-
tor may be inserted in
the wrong direction with
the port.
Write MP3/WMA files onto the USB drive
properly.
Use MP3/WMA files encoded properly.
Use MP3/WMA files encoded properly.
Reinsert the USB drive to try again. Replace
with a new USB drive if failed.
Reinsert the USB drive with the correct direc
-
tion.
USB drive connector is in
bad condition.
The USB drive connector
is damaged.