Troubleshooting, Symptom Remedy/Cause | Kenwood KDC-4051URY instruction

Troubleshooting

Symptom		Remedy/Cause
Sound cannot be heard.	Adjust the volume to the optimum level. / Check the cords and connections.
“PROTECT” appears and no operations can	Check to be sure the terminals of the speaker leads are covered with insulating
be done.	tape properly, then reset the unit. If “PROTECT” does not disappear, consult your
	nearest service center.
The unit does not work at all.	Reset the unit.
[P-OFF WAIT] does not work.	Turn off the demonstration mode. (page 7)
Radio reception is poor. / Static noise while	Connect the antenna firmly. / Pull the antenna out all the way.
listening to the radio.
“IN” flashes.	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.
CD-R/CD-RW cannot be played back and	Insert a finalized CD-R/CD-RW (finalize with the component which you used for
tracks cannot be skipped.	recording).	ua

Disc sound is sometimes interrupted.	Stop playback while driving on rough ro ds. / Ch nge the disc. / Check the cords
	and connections.
“NA FILE” appears.	The unit is playing an unsupported dio file.
“NO DISC” appears.	Insert a playable disc into the loading slot.
“TOC ERROR” appears.	The CD is quite dirty. / The CD is upside-down. / The CD is scratched a lot. Try
	another disc instead.
“ERROR 99” appears.	The unit is malfuncti ning for so e reason. Press the reset button on the unit. If
	the “ERROR 99” de d es not disappear, consult your nearest service center.
“COPY PRO” appears.	A opy-prote ted file is played.
“READ ERROR” appears.	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 DEVICE” appears.	No USB device is connected. Connect an USB device, and change the source to
	USB again.
“NO MUSIC” appears.	The connected USB device contains no playable audio file.
“NA DEVICE” appears.	Connect a supported USB device, and check the connections.
“USB ERROR” appears.	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.
“iPod ERROR” appears.	Reconnect the iPod. / Confirm that the software for the iPod is the latest version.
Noise is generated.	Skip to another track or change the disc.
Tracks cannot play back as you have	Playback order is determined when files are recorded.
intended them to play.
“READING” keeps flashing.	Longer readout time is required. Do not use too many hierarchies and folders.
Elapsed playing time is not correct.	This is caused by how the tracks are recorded.
The number of songs contained in “SONGS”	Podcast files are not counted in this unit as this unit does not support the
category of this unit is different from that	playback of podcast files.
contained in “SONGS” category of iPod.
Correct characters are not displayed (e.g.	This unit can only display letters (upper case), numbers, and a limited number of
album name).	symbols. Cyrillic alphabets (upper case) can also be displayed if [RUSSIAN SET]
	is set to [ON]. (page 4)

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KDC-4051URY, KDC-415UA, KDC-455UW, KDC-415UR, KDC-4051UR specifications

The Kenwood KDC series of car audio receivers, including the KDC-4251URY, KDC-4051UG, KDC-4451UQ, KDC-4651URY, and KDC-4551UB, represents a significant advancement in in-car entertainment technology. Each model offers a set of unique features while adhering to Kenwood's reputation for high-quality audio performance and user-friendly design.

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The KDC-4051UG focuses on connectivity and versatility. This model also includes a 50W x 4 amplifier and features a front USB port, which is ideal for connecting smartphones and USB drives. Its Bluetooth integration offers hands-free calling and wireless audio streaming, making it a practical choice for technology-savvy users. Enhanced compatibility with various audio formats ensures that most media libraries are supported.

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