m
TROUBLESHOOTING
No
aud
io
and
POWER
INDICATOR
is
off.
• No volt
ag
e
at
BATT+
and/or
REM terminals, or bad
or
no
ground
=n
ectio
n.
Che
ck
volt
ag
es at
amp
lifier terminals
with
VOM.
No
aud
io
and
PROTECT INDICATOR
flashes
every 4
seconds.
• OC voltage
on
am
pl
iiier
outp
U1.
Am
plifier m
ay
ne
ed
service; see
enclosed warranty
card
for service information.
No
aud
io
and
PROTECT
and
POWER INDICATORS
flas
h.
• Voltage less than 9V
on
BATT+
=n
ectio
n.
Check v
eh
icle
charging system .
No
aud
io
and
PROTECT INDICATOR is
on.
• Amplifier is overhe
ated
. Make s
ur
e amplifier cooling is n
ot
bl
oc
ked
at
mounting
loc
atio
n.
Or,
th
ere may
be
vo
ltage
gr
ea1
er
than 1
6V
(
or
le
ss
than 8.
SV)
on
BATT+ connection.
Ch
e
ck
vehicle charging system.
Amplifier fuse
keeps
blowing.
• The wi
li
ng is
conn
e
cted
i
nco
rrectly
or
th
ere is a short circuit.
Ch
eck wiring connections.
Distorted audio.
• Gain is n
ot
set prope
rly
.
Ch
eck setting.
Ch
eck
wir
es f
or
shorts
or
grounds.
Amp
l
oi
er or source unit may be defe
ct
ive.
Distorted audio and
PROTECT
INDICATOR flashes,
•
Shorc
circuit in
sp
eak
er
or wi
re
. R
em
ove speaker le
ad
s one at
a time to locate shorted sp
ea
ker or
\•A
re,
and
r
epa:r.
M usic lacks dynamics or
11
punch
11
•
•
Sp
e
ak
ers
are
not
co
nn
ec
ted
pr
oper
ly,
Check s
peaker
co
m ections for proper polarity.
Engine noise- whini
ng
or clicking
-i
n system when
the
engi
ne
is on.
• Amplifier is picking up alternator noise.
Rr
st, check ground
co
m ection on
th
e amplifier - a l
oo
se or improper ground is
one of the main caus
es
fo
r no
is
e. Turn
do
wn
gai
n.
Move RCA
au
dio cables away from
pow
er wires. Installing an alternat
or
noise filter
on
powe
r line be
twe
en battery a
nd
alternator
mi
ght
also be necessary.
~
HARMAN
~
HARMAN
Internat
i
onal
l
r.dJS
tries,
Incor
porated
8500
Balboa
Bou
!
evard,
No
rthrid
ge
,
CA
91329 U
SA
-.vww.infinityspeakers
.
com
©
20
19 H
ARMAN
In
ternation
al
lr.d
u
stries,
Incor
porated
.
All
ri
ghts r
eserved
.
ln
fi,,it
y is a
trademark
of H
ARMAN
l
nteto
a
tionaJ
Industries
, I
nco
r
porated.
reg
ist
ered
in the
United
St
ates
and/or
other
cou
il
tries
. F
ea
tu
res.
specifica
tio
ns
aod appearance a,e subject to
change
without
notice.
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