Owner's Manual

Hermosa Owner's
Manual
Troubleshooting
Problem Possible Cause
Action to
Solve Problem
Radio
will
not
12
volt
Batt+ wire
not
con-
Check
all
connections
turn
on
(no
nected
or
incorrect voltage for proper voltage
with
lights,
no
sound)
a volt meter.
Voltage
range: 12-15 volts
+12
volt
accessory wire
not
Check
+12
volt
accessory
connected
wire
connection
or
incorrect
voltage
Ground
wire
not
connected
Check
ground connection
Fuse
on Batt+
is
blown
Replace
blown
fuse
No sound heard Volume
turned
Increase
radio volume
from
unit
but
all
the
way
down
unit
lights up
Internal
amp
Check
speaker leads
for
any
in
protection
mode
grounded
or
shorted wires
Make sure
the
unit
is
in Check
to
make sure
that
unit
the desired source mode
is
in desired source mode
(AUX,USB, etc)
Unit
blows fuses Possible
short
in
wiring
Incorrect
fuse used, make
sure
only
fuses
with
correct
15
amp ratings are used
I
Check all
wiring
connections
for
possible
short
Battery hooked up Make sure
battery
is
backwards
properly
connected
USB
ERR
Invalid
media/device type
Please review page 27
to
learn
which
formats and
devices are acceptable
for
play
back in this
unit
System Reset
To
restore/reset
the
unit
to
factory defaults, remove
all
power from
the
unit,
wait
2 minutes and then reconnect
power.
(
Copyright
2015
©
Retro Manufacturing,
LLC