Denon Professional DN-500DC Guide D'utilisation page 12

Troubleshooting
If you encounter a problem, try doing these things first:
• Make sure all cables and other connected devices are properly and securely connected.
• Make sure you are using DN-500DC as described in this User Guide.
• Make sure your other devices or media are working properly.
• If you believe DN-500DC is not working properly, check the following table for your
problem and solution.
Problem:
Power does not turn on.
DN-500DC does not
produce any sound, or
the sound is distorted.
CD cannot be inserted
into CD slot.
No Disc appears even
when a CD is inserted.
A specific section of the
CD does not play
properly.
The unit cannot play a
CD-R.
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Solution:
Make sure DN-500DC's power input is
properly connected to a power outlet using
the included power cable.
Make sure all cable and device connections
are secure and correct.
Make sure none of the cables are damaged.
Make sure the settings on your device are
correct.
Make sure the unit is connected to a power
outlet and that it is powered on.
Press the Eject button to make sure a CD is
not already in the CD slot.
Press the Eject button to eject the CD and
insert it again.
Make sure the CD-R has been finalized
properly.
Make sure the CD-R is of good quality.
Clean the CD with a dry cloth or commercial
CD cleaner.
Make sure the CD uses a folder structure
that the unit supports: up to 300 folders (up
to 8 folder levels, including the root) and up
to 300 files.
Make sure the CD-R contains MP3 files. The
unit cannot play other files on CD-R.
Please see:
Setup
Setup
Setup
Other Information
> CDs