Troubleshooting - Kenwood KDC-4551UB Instruction Manual

Troubleshooting

Symptom
Sound cannot be heard.
"PROTECT" appears and no operations can
be done.
The unit does not work at all.
[P-OFF WAIT] does not work.
Radio reception is poor. / Static noise while
listening to the radio.
"IN" flashes.
CD-R/CD-RW cannot be played back and
tracks cannot be skipped.
Disc sound is sometimes interrupted.
"NA FILE" appears.
"NO DISC" appears.
"TOC ERROR" appears.
"ERROR 99" appears.
"COPY PRO" appears.
"READ ERROR" appears.
"NO DEVICE" appears.
"NO MUSIC" appears.
"NA DEVICE" appears.
"USB ERROR" appears.
"iPod ERROR" appears.
Noise is generated.
Tracks cannot play back as you have
intended them to play.
"READING" keeps flashing.
Elapsed playing time is not correct.
The number of songs contained in "SONGS"
category of this unit is different from that
contained in "SONGS" category of iPod.
Correct characters are not displayed (e.g.
album name).
16
Adjust the volume to the optimum level. / Check the cords and connections.
Check to be sure the terminals of the speaker leads are covered with insulating
tape properly, then reset the unit. If "PROTECT" does not disappear, consult your
nearest service center.
Reset the unit.
Turn off the demonstration mode. (page 7)
Connect the antenna firmly. / Pull the antenna out all the way.
The CD player is not operating properly. Reinsert the disc properly. If the condition
did not improve, turn off the unit and consult your nearest service center.
Insert a finalized CD-R/CD-RW (finalize with the component which you used for
recording).
Stop playback while driving on rough roads. / Change the disc. / Check the cords
and connections.
The unit is playing an unsupported audio file.
Insert a playable disc into the loading slot.
The CD is quite dirty. / The CD is upside-down. / The CD is scratched a lot. Try
another disc instead.
The unit is malfunctioning for some reason. Press the reset button on the unit. If
the "ERROR 99" code does not disappear, consult your nearest service center.
A copy-protected file is played.
Copy the files and folders for the USB device again. If the error message is still
displayed, initialize the USB device or use other USB devices.
No USB device is connected. Connect an USB device, and change the source to
USB again.
The connected USB device contains no playable audio file.
Connect a supported USB device, and check the connections.
Remove the USB device, turn the unit off, then turn it on again. If the unit still
showing the same display, try to connect another USB device.
Reconnect the iPod. / Confirm that the software for the iPod is the latest version.
Skip to another track or change the disc.
Playback order is determined when files are recorded.
Longer readout time is required. Do not use too many hierarchies and folders.
This is caused by how the tracks are recorded.
Podcast files are not counted in this unit as this unit does not support the
playback of podcast files.
This unit can only display letters (upper case), numbers, and a limited number of
symbols. Cyrillic alphabets (upper case) can also be displayed if [RUSSIAN SET]
is set to [ON]. (page 4)
Remedy/Cause