TroubleshootingTrouble Check pointNo power● Start the engine. (Or turn the ignitionswitch to the ACC position.)● Verify the wiring. (battery lead, powerlead, ground lead, etc.)● Fuse blown (Contact the nearestPanasonic Servicenter.)● Ask a professional for fuse replacement.● Be sure to use the same rated fuse.No sound● Disable the mute function.● Verify the wiring.● Wait until the dew disappears beforeturning on the unit.Noise ● Make sure that grounding is establishedproperly.CommonFrequentnoise● Tune in to another station of high-inten-sity waves.● Make sure that the antenna mountedpoint is grounded properly.RadioPreset datadeleted● The preset memory is cleared to returnto the original factory setting when thepower connector or battery is discon-nected.No sound, or discis automaticallyejected● Load the disc correctly.● Clean the disc.Disc PlayerSound skip,poor soundquality● Clean the disc.Sound skipdue tovibration● The maximum permissible tilt angle is30°.● Secure the unit.Discunejectable● Press [u]. If the disc is still not ejected,contact the nearest PanasonicServicenter.No sound fromleft, right, front,or rear speaker● Adjust the balance and fader.● Verify the wiring.Trouble Check pointLeft and rightsounds arereversed● Connect the speaker lead correctly.Error Display Messages(The disc is ejected automatically.)The disc is dirty, or is upside down.● Check the disc.(The disc is ejected automatically.)The disc has scratches.● Check the disc.No operation by some cause.● If normal operation is not restored, con-sult your dealer or the nearestServicenter to ask for repairs.Cannot read the file● Check the file.A WMA file can be copyrighted.● The file protected by copyright is notplayable.No disc is in the CD Changer (maga-zine).Cannot receive XM Satellite Radio.● Verify the wiring.DIN cord is disconnected.● Connect the DIN cord.Channel not in service● This channel is not currently inservice. Tune to another channel.Note: Messages in the action and display sections of the error chartvary with changers. Refer to the operating instructions for the CDchanger for details. CQ-C1401UCQ-C1401UIf You Suspect Something WrongCheck and take steps as described below.If the described suggestions do not solve the problem, it is recom-mended to take the unit to your nearest authorized PanasonicServicenter. The product should be serviced only by qualified person-nel. Please refer the checking and the repair to professionals.Panasonic shall not be liable for any accidents arising out of neglectof checking the unit or your own repair after your checking.Warning¡ Do not use the unit in an irregular condition, for example, with-out sound, or with smoke or a foul smell, which can causeignition or electric shock. Immediately stop using the unit andconsult your dealer.¡ Never try to repair the unit by yourself because it is dangerousto do so.