Troubleshooting - JVC KD-R423 Instructions Manual

Warning (to prevent accidents and damage):
• Do not install any battery other than CR2025 or its equivalent.
• Do not leave the remote controller in a place (such as dashboards) exposed to direct sunlight for
a long time.
• Store the battery in a place where children cannot reach.
• Do not recharge, short, disassemble, heat the battery, or dispose of it in a fire.
• Do not leave the battery with other metallic materials.
• Do not poke the battery with tweezers or similar tools.
• Wrap the battery with tape and insulate when throwing away or saving it.

Troubleshooting

Sound cannot be heard from the
speakers.
"MISWIRING CHK WIRING THEN RESET
UNIT"/"WARNING CHK WIRING THEN
RESET UNIT" appears on the display and
no operations can be done.
The unit does not work at all.
"F-AUX" or "R-AUX" cannot be selected. Check the <SRC SELECT> = <F-AUX / R-AUX> setting. (page 15)
Sound is sometimes interrupted while
listening to an external component
connected to the auxiliary input jack.
The correct characters are not displayed
(e.g. album name).
SSM automatic presetting does not
work.
Static noise while listening to the radio. Connect the aerial firmly.
"AM" cannot be selected.
Disc cannot be played back.
CD-R/CD-RW cannot be played back
and track cannot be skipped.
Disc sound is sometimes interrupted.
"NO DISC" appears on the display.
"PLEASE" and "EJECT" appear
alternately on the display.
"IN DISC" appears on the display.
Disc cannot be played back.
Noise is generated.
"READING" keeps flashing on the
display.
16 ENGLISH
Symptom Remedy/Cause
Adjust the volume to the optimum level. / Make sure the unit is not
muted/paused. (page 5) / Check the cords and connections.
Check to be sure the terminals of the speaker leads are covered with
insulating tape properly, then reset the unit. (page 3)
If the message does not disappear, consult your JVC IN-CAR
ENTERTAINMENT dealer or a company supplying kits.
Reset the unit. (page 3)
Check to be sure the recommended stereo mini plug is used for
connection. (page 9)
This unit can only display letters (upper case), numbers, and a
limited number of symbols.
Store stations manually.
Check the <SRC SELECT> = <AM> setting. (page 15)
Insert the disc correctly.
Insert a finalized CD-R/CD-RW (finalize with the component which
you used for recording).
Stop playback while driving on rough roads. / Change the disc. /
Check the cords and connections.
Insert a playable disc into the loading slot.
Press 0, then insert a disc correctly.
The disc cannot be ejected properly. Make sure nothing is blocking
the loading slot.
Use a disc with MP3/WMA tracks recorded in a format compliant
with ISO 9660 Level 1, Level 2, Romeo, or Joliet. / Add the extension
code <.mp3> or <.wma> to the file names.
Skip to another track or change the disc.
A longer readout time is required. Do not use too many hierarchical
levels and folders.