Kenwood KMR 330 Owner's Manual (pdf) - Page 18

Troubleshooting Guide Some functions of this unit may be disabled by some settings made on this unit. ! Cannot set up the subwoofer. ▲ • Preout is not set to subwoofer. ☞ "SWPRE" of (page 9) • "Subwoofer output" of (page 4) is not set to On. ! • Cannot register a security code. • Cannot set up Display Illumination Control. • The Auto Power Off function (that will turn power off in 20 minutes when standby mode) doesn't operate. ▲ (page 11) is not turned off. What might seem to be a malfunction in your unit may just be the result of slight misoperation or miswiring. Before calling service, first check the following table for possible problems. Disc source ? The specified disc does not play, but another one plays instead. ✔ The specified CD is quite dirty. ☞ Clean the CD. ✔ The disc is loaded in a different slot from that specified. ☞ Eject the disc magazine and check the number for the specified disc. ✔ The disc is severely scratched. ☞ Try another disc instead. Audio file source ? The sound skips when an Audio file is being played. ✔ The media is scratched or dirty. ☞ Clean the media, referring to the CD cleaning of the section on (page 3). ✔ The recording condition is bad. ☞ Record the media again or use another media. ? Noise is heard when carrying out Folder Search. ✔ Noise may be produced if folders without audio files exist continuously in the playing media. ☞ Do not make folders without audio files. The messages shown below display your systems condition. TOC ERROR: • No disc has been loaded in the disc magazine. • The CD is quite dirty. The CD is upsidedown. The CD is scratched a lot. E-05: The disc is unreadable. 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 your nearest 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 press the reset button on the unit. If the "E-99" code does not disappear, consult your nearest service center. IN (Blink): The CD player section is not operating properly. ➪ Reinsert the CD. If the CD cannot be ejected or the display continues to flash even when the CD has been properly reinserted, please switch off the power and consult your nearest service center. PROTECT: The speaker wire has a short-circuit or touches the chassis of the vehicle, and then the protection function is activated. ➪ Wire or insulate the speaker cable properly and press the reset button. If the "PROTECT" code does not disappear, consult your nearest service center. NA FILE: An Audio file is played with a format that this unit can't support. COPY PRO: A copy-protected file is played. 18 | KMR-330