JVC KW-V255DBT Instruction Manual page 52

Troubleshooting Troubleshooting
"Parking off" appears.
 No playback picture is shown when the parking
brake is not engaged.
Discs
Recordable/Rewritable discs cannot be played
back.
 Insert a finalized disc.
 Finalize the discs with the component which you
used for recording.
Tracks on the Recordable/Rewritable discs cannot
be skipped.
 Insert a finalized disc.
 Finalize the discs with the component which you
used for recording.
Playback does not start.
 The format of files is not supported by the unit.
No picture appears on the external monitor.
 Connect the video cord correctly.
 Select the correct input on the external monitor.
DivX/MPEG1/MPEG2/MP3/WMA/WAV/AAC discs
cannot be played back.
 Record the tracks using a compatible application
on the appropriate discs. (Page 45)
 Add appropriate extension codes to the file names.
Tracks on the recordable/rewritable discs are not
played back as you have intended them to play.
 Playback order may differ from the one played back
using other players.
48 ENGLISH
"Region Code Error" appears.
 You have inserted a DVD Video disc of an incorrect
region code. Insert a correct region code disc.
USB
"Reading" does not disappear from the screen.
 Turn the power off and on again.
While playing a track, sound is sometimes
interrupted.
 The tracks are not properly copied into the USB
device. Copy the tracks again, and try again.
Tracks are not played back as you have intended
them to play.
 Playback order may differ from the one played back
using other players.
The source does not change to "USB" when you
connect a USB device while listening to another
source or "USB Device Error" appears when you
connect a USB device.
 The USB port is drawing more power than the
design limit.
 Turn the power off and unplug the USB device.
Then, turn on the power and reattach the USB
device.
 If the above does not solve the problem, turn
the power off and on (or reset the unit) before
replacing with another USB device.
Android
Sound cannot be heard during playback.
 Reconnect the Android device.
 Launch any media player application on the
Android device and start playback.
Sound output only from the Android device.
 Use another media player application.
 Restart the Android device.
 If this does not solve the problem, the connected
Android device is unable to route the audio signal
to unit.
 If USB connection does not work, connect the
Android device via Bluetooth or through the AV-IN
jack on the rear panel.
"NO DEVICE" or "READING" keeps flashing.
 Reconnect the Android device.
 If USB connection does not work, connect the
Android device via Bluetooth or through the AV-IN
jack on the rear panel.
iPod/iPhone
No sound comes out of the speakers.
 Disconnect the iPod/iPhone, then connect it again.
 Select another source, then reselect "iPod".
The iPod/iPhone does not turn on or does not
work.
 Check the connection.
 Update the firmware version.
 Charge the battery.
 Reset the iPod/iPhone.
Sound is distorted.
 Deactivate the equalizer either on this unit or the
iPod/iPhone.