Panasonic CQ-C3401U Operating Instructions Manual

Panasonic CQ-C3401U Operating Instructions Manual Manual pdf 30 page image

3029ENGLISHCQ-C3401U/C3301UTroubleshootingIf 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 per-sonnel. 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.■ CommonThe speaker wiring is reversed between right and left.aPerform the speaker wiring in accordance with the wiring diagram.The speaker channelsare reversed betweenright and left.Balance/fader setting is not appropriate.aReadjust Balance/fader.There is a break, a short circuit, poor contact or wrong wiring regarding thespeaker wiring.aCheck the speaker wiring.No sound fromspeaker(s)Some operations are not executable in particular modes such as menu mode.aRead the operating instructions carefully and cancel the mode. If theunit is still out of order, consult your dealer.Some operations arenot executable.Alternator noise comes from the car.aChange the wiring position of the ground lead.aMount a noise filter on the power supply.Noise is made in stepwith engine revolu-tions.There is an electromagnetic-wave generator such as a cellular phone near theunit or its electrical lines.aKeep the electromagnetic-wave generator such as a cellular phoneaway from the unit and the wiring of the unit. If noise cannot beeliminated due to the wiring harness of the car, consult your dealer.The contact of the ground lead is poor.aMake sure that the ground lead is connected to an unpainted part of thechassis securely.NoiseYou cannot operate the unit while the demonstration screen appears.aPress [DISP] to end the demonstration screen.If the demonstration screen appears frequently, there is a possibility that poorcontact or wrong wiring arises between the battery lead of the unit and thebattery cable of the car. (The battery lead should be always powered.)aCheck the battery wiring in accordance with the wiring diagram.The demonstrationscreen displayed andno operable.MUTE is set to ON.aSet MUTE to OFF.The wiring of speaker lines is not correct, or a break or poor contact arises.aCheck the wiring in accordance with the wiring diagram. (a InstallationInstructions)Sound is notgenerated.The power cord (battery, power and ground) is connected in the wrong way.aCheck the wiring.Fuse blows out.aEliminate the cause of fuse blowout and replace the fuse with new one.Consult your dealer.No power to the unitProblem Possible cause a Possible solutionWarning¡Do not use the unit in an irregular condition,for example, without sound, or with smoke ora foul smell, which can cause ignition or elec-tric shock. Immediately stop using the unitand consult your dealer.¡Never try to repair the unit by yourselfbecause it is dangerous to do so.