Troubleshooting - Denon DN-D4500MK2 Owner's Manual

Troubleshooting

If a problem should arise, first check the following:
1. Are the connections correct?
2. Is the set being operated as described in this owner's manual?
3. Is the external device (DJ mixer, player or effects processor) operating correctly?
If this unit does not operate properly, check the items listed in the table below.
If the symptom is not covered on the check list, contact your dealer or service centers.
Service centers are listed at http://www.d-mpro.com or http://www.denondj.com.
Symptom
Cannot eject disc holder. • Check that the power is on.
• Discs cannot be ejected during playback. Stop playback before ejecting
the disc.
"Disc Error" is displayed. • The disc may be dirty or scratched. Either clean the dirt from the disc, or
replace with another disc.
Power does not turn on. • Check that the plug is inserted correctly into the wall socket, and that the
power cord is inserted into this unit.
This unit does not operate • Check the connections for all devices.
properly, or there is no • Check the file sampling frequency. Only files with a sampling frequency
sound. of 44.1 kHz can be played on this unit.
There is no sound. • Check the mixer connections.
Or the sound is distorted. • The mixer adjustments or switching may be unsuitable. Adjust the knobs
on the mixer.
There is no sound. • Check the connections for all devices.
Or the sound is too quiet. • Switch the input source switching button to the device that is currently
playing.
"Fail" is displayed. • If the USB memory device or HDD is equipped with a security function,
check that the security is disabled.
• Memo data cannot be saved on a USB memory device or HDD formatted
in HFS+ format. Use FAT16 or FAT32 format.
A CD-R or CD-RW disc • The disc has not been finalized.
cannot be played. Finalize the disc then play it.
• The recording conditions and/or the quality of the disc itself are poor.
Use a properly recorded disc.
Cause/Solution
Symptom
Data stored in a USB • Has the unit initialized the USB memory device with applicable formats?
memory device cannot be (FAT 16/FAT 32)
displayed (read). • Are you using a USB hub? If so, directly connect the USB memory device
to a USB port on the front panel of the unit.
• Are you using a USB extension cable? If so, directly connect the USB
memory device to the USB port on the front panel of the unit.
• Are the USB memory device contents applicable to this unit? Use the
"Files" menu to confirm whether the contents are applicable to the unit.
• When a USB memory device of 192 MB or less is formatted with FAT
32, this unit may not be able to read it. If that is the case, format it with
FAT 16.
• This unit does not support a USB memory device containing encrypted
data.
The USB memory device is • Some USB memory devices cannot be operated by the power supplied
not recognized. from this unit. The unit supplies 5 V/1 A to a USB memory device. Use
a USB memory device that is compatible with the specifications of this
unit.
• Check if the USB memory device is firmly connected to the USB port.
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Cause/Solution