Owner's Manual

Symptom
Source
unit
does
not
turn
on
.
Tuner
fails
to
tune
any
stations
Unable
to
tune
stations
in
seek
mode
USB
device
cannot
be
inserted
USB
device
is
not
recognized
No
sound
heard
with
the
display
"
No
File
"
shown
Sound
skips
or
is
noisy
MP3
is
not
playing
back
Diagnosis
Basic
Blown
fuse
Vehicle
's
ignition
is
off
Voltage
applied
to
Red
wire
is
not
between
10.5
&
16
volts
or
there
is
no
voltage
present
Unit
is
not
properly
grounded
Radio
Tuner
No
antenna
or
disconnected
or
open
connection
in
cable
You
are
in
a
weak
signal
area
use
Devices
The
USB
device
has
been
inserted
in
the
wrong
direction
The
USB
device
connector
is
broken
The
USB
device
is
damaged
Connectors
are
loose
No
MP3/WMA
files
are
stored
on
the
USB
device
MP3/WMA
files
are
not
created
properly
AUX
Writing
error
occurred
.
The
MP3
format
is
not
compatible.
Troub
es
ooti
Remedy
Check
fuse
of
the
unit,
replace
with
correct
rating
.
II
connected
following
the
instructions
,
the
unit
will
not
operate
with
ignition
off.
Check
battery,
connections
and
fuses
and
repair
or
replace
as
necessary
.
If
voltage
is
above+
16
volts
,
have
the
electrical
system
inspected
by
an
authorized
service
center
.
Check
wiring
and
repair
as
necessary
.
Check
all
connections
and
repair
as
necessary
.
Make
sure
the
tuner
LOC
mode
is
off
.
Reversing
the
connection
direction
of
the
USB
device
,
try
reinserting.
Replace
with
a
new
USB
device
.
Disconnect
USB
device
and
reconnect.
II
the
device
is
still
not
recognized
,
try
replacing
with
a
different
USB
device
.
USB
does
not
work
with
Android
devices
.
Store
these
files
properly
on
the
USB
device.
USB
does
not
work
with
Android
devices
.
Use
MP3/WMA
files
that
are
encoded
correctly
.
Make
sure
MP3
has
been
written
in
a
supported
format