Kenwood KDC-C521FM Instruction Manual - Page 18

English Troubleshooting Guide 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. General ? The power does not turn ON.01 ✔ The fuse has blown. ☞ After checking for short circuits in the wires, replace the fuse with one with the same rating. ✔ No ACC position on vehicle ignition.02 ☞ Connect the same wire to the ignition as the battery wire. ? Nothing happens when the buttons are pressed.04 ✔ The computer chip in the unit is not functioning normally. ☞ Press the Reset button on the display unit (page 3). ? No sound or sound is low.52 ✔ The radio volume is sets to the minimum level.3 ☞ Turn the radio volume up. ✔ The input/output wire or wiring harness is connected incorrectly.55 ☞ Connect the input/output wire or wiring harness correctly. See "Connecting Wires to Terminals" (Page 17). ? Sound distortion.67 ✔ The signal levels differ depending on sources. ☞ Change the Modulation level / Dynamic control setting. (Page 11) ? Nothing appears on the display.04 ✔ The control output of the display unit is not connected properly. ☞ Connect the control output properly. Disc source ? CD play does not start.52 ✔ CD auto-changer input is not connected to the unit. ☞ Connect the CD auto-changer input to the unit. ✔ Power button is not turned ON.53 ☞ Turn the power button ON. ? The specified disc does not play, but another one plays instead.52 ✔ The specified CD is quite dirty. ☞ Clean the CD. ✔ The CD is upside-down.53 ☞ Load the CD with the labeled side up. ✔ The disc is loaded in a different slot from that specified.54 ☞ Eject the disc magazine and check the number for the specified disc. ✔ The disc is severely scratched.55 ☞ Try another disc instead. ? The specified track will not play.58 ✔ Random play or magazine random play has been selected. ☞ Turn off random play or magazine random play. ? Cannot play CD-R or CD-RW.60 ✔ Finalization processing is not being conducted for CD-R/CD-RW. ☞ Conduct finalization processing with CD recorder. ? Direct Track Search and Direct Disc Search can't be done.66-1 ✔ Another function is ON. ☞ Turn Random Play or other functions OFF. ? Track Search can't be done.66-2 ✔ For the discs first or last song. ☞ For each disc, Track Search can't be done in the backward direction for the first song or in the forward direction for the last song. - 18 -