18|KDC-MP439/KDC-MP3039/KDC-MP339/KDC-MP239/KDC-139Troubleshooting GuideSome functions of this unit may be disabled bysome settings made on this unit.!Cannot display the user of System Q.▲!• Cannot set up the subwoofer.• No output from the subwoofer.• Cannot set up the low pass filter.▲• Preout is not set to subwoofer.☞(page 10)• (page 4) is not set to On.!• Cannot register a security code.• Cannot set up Display.▲ (page 12) is notturned off.!Cannot play audio files.▲“CD READ” is set to “2”.☞What might seem to be a malfunction in your unitmay just be the result of slight misoperation ormiswiring. Before calling service, first check thefollowing table for possible problems.Tuner source?Radio reception is poor.✔The car antenna is not extended.☞Pull the antenna out all the way.Disc source?The specified disc does not play, but another oneplays instead.✔The specified CD is quite dirty.☞Clean the CD.✔The disc is loaded in a different slot from thatspecified.☞Eject the disc magazine and check the numberfor the specified disc.✔The disc is severely scratched.☞Try another disc instead.Audio file source?The sound skips when an Audio file is beingplayed.✔The media is scratched or dirty.☞Clean the media, referring to the CD cleaning ofthe section on (page 3).✔The recording condition is bad.☞Record the media again or use another media.The messages shown below display yoursystems condition.TOC ERR/E-04:• No disc has been loaded in the discmagazine.• The CD is quite dirty. The CD is upside-down. The CD is scratched a lot.E-05:The disc is unreadable.E-15:Media was played that doesn’t have datarecorded that the unit can play.E-77:The unit is malfunctioning for some reason.➪Press the reset button on the unit. If the “E-77” code does not disappear, consult yournearest service center.E-99:Something is wrong with the disc magazine.Or the unit is malfunctioning for some reason.➪Check the disc magazine. And then pressthe reset button on the unit. If the “E-99”code does not disappear, consult yournearest service center.READING:The unit is reading the data on the disc.IN (Blink):The CD player section is not operatingproperly.➪Reinsert the CD. If the CD cannot beejected or the display continues to flasheven when the CD has been properlyreinserted, please switch off the powerand consult your nearest service center.PROTECT/DCER:The speaker wire has a short-circuit ortouches the chassis of the vehicle, and thenthe protection function is activated.➪Wire or insulate the speaker cableproperly and press the reset button. Ifthe “PROTECT”/“DCER” code does notdisappear, consult your nearest servicecenter.NA FILE:An Audio file is played with a format that thisunit can’t support.➪----COPY PRO:A copy-protected file is played.➪----
