TROUBLESHOOTING
The
SM
P300 Subwoofer Amplif
ie
r is designed
to
function trouble free. Most problems occur bec
au
se of operating errors.
If you have a problem , please check the troubleshooting list first. If the problem persists, contact tech support at
1-562-
69
7-2600 or e-ma
il
us
at Suppo
rt
@osdaudio.com.
Problem Possible Causes and Solutions
a. Audio
to
the amplifier is not connected properly. Ch
ec
k this and other system component manuals to ensure
proper con nection.
No sound is heard
b. The cable is bad.
Us
e another cable that you know is good.
c. Loose or frayed wi res.
Ch
eck for sec
ur
e cl
ea
n connections on a
ll
speaker wi
re
ter
mi
nals.
d.
Vo
lume Limit Cont
ro
l is set too l
ow.
See
Vo
lume Limit
Co
ntrol for adjustment procedure.
a. The sou
nd
may be caused by a ground loop in the system.
Try
to e
li
mi
na
te th
is by reversi
ng
th
e AC pl
ug
s of
other compon
en
ts in the system.
A hu m or buzzing s
ou
nd is heard
b. T
ry
plugging the SMP300 into another outle
t.
c.
other
causes may include faulty cable
s.
a. There may be AC power problems. Check the AC ci
rc
uit a
nd
plugs. Make sure power switch is turned on.
b.
Audio cable to the amplifier is not connected properly. Check
th
is and oth er system component
ma
n
ua
ls to
The Amp
ll
fier w
fll
not turn on
en
su
re proper connection.
c. The cable is
ba
d. Use another cable that you know is good.
d. Loose or frayed wi res. Check fo r secure clean connections on a
ll
speaker wire te
rm
inals.
The Protection Cir
cu
it cuts in
The circuitry in the amp
li
fier has detected that the amp
li
fier is in
da
nger of overheati
ng
. Norma
ll
y, this would
mome
nta
rily a
nd
then retu
rn
s to
happen infrequen
tl
y and mom
en
ta
ril
y.
If this persists,
th
e amplifier may need more adequate ventilation.
normal
Protection Ci rcuit cuts in a
nd
There may be a fault in
th
e wiring with the speaker or the amp
li
fi
er.
T
urn
the power switch off then on agai
n.
If the
do
es not return to normal
amp
li
fier immediately returns to protectio n mode, turn it off a
nd
check all of
th
e wiring i
nc
lu
di
ng
co
nnections at the
amp
li
fier. subwoofer a
nd
any connections ma
de
to the te
rm
inals o n a wa
ll
plate.
WARRANTY
&
REPAIR
All
OSD AUDIO elect
roo
ics have (2) year Limited Warran ty against
de
fec
ts
in materials and workmanship. Proof of p urchase must
acco
m
pa
ny a
ll
claims. Duri
ng
the warranty
pe
ri
od
OSD AUDIO will rep lace any
de
fective part
an
d correct any defec t in
wo
rk
manship without charge
fo
r eittler parts or labor
OSD AUDIO may r
ep
l
ace
returned elect
ro
ni
cs
with a p
roduct
of equal value and
pe
rformance. In such cases, some mod ifications to the mounting may
be
necessary and are not OSD A
UD
IO's responsibility.
For this war
ra
nty to
app
ly,
th
e unit must
be
insta
ll
ed and
us
ed
acco
rding to its written instructions.
If
necessary, repai
rs
must be performed
by
OS
D AUDIO. The
unit must
be
retu
rn
ed to OSD AUDIO at the owner's ex
pe
nse and with prio r w
ri
tten permission.
Acc
i
den
tal
da
mage and
sh
ip ping
da
mage are
no
t consi
de
red
de
f
ec
ts, nor is da
mag
ed res ulting from abuse or from
se
N icing performed by
an
age
ncy
or person not
spec
ifically
au
thorized in writing by OSD Audio
OSD AUDIO se
ll
s p
ro
duc
ts only through authorized dealers and d istributors to ensure that customers
ob
tain proper s
upp
ort
and
service. Any OSD AUDIO
product purchased from
an
unauthorized
dea
ler
or
other source, i
nc
luding retailers, mail order
dea
lers and online se
ll
ers will
no
t
be
honored or serviced under
existing OSD AUDIO warranty poli
cy
.
Ally
sale
of
product by an unautho
ri
zed source or other manner not
au
thori
zed
by OSD AUDIO sha
ll
void the warranty
oo
the
app
li
ca
ble p
ro
duc
t.
Damage to or destructi
on
of
co
mponents
du
e to
appl
ication of excessive power voids the warranty on those parts. In
th
ese cases,
re
pa
irs will
be
made on
th
e
basis of
th
e retail value of the parts and labor. To return for re
pa
irs, you must email customer service at AMA@audi
ogea
rgroup.com for a Returned Merchand ise
Authorizati
on
(A
MA) number
th
en
th
e unit must be ship
ped
to OSD AUDIO at the
O\'m
er's expense, along with a note explaining the nature
of
service required.
Be sure to
pac
k the product(s) in a corrugat
ed
container with at least 3 inches
of
resilient material to protect the unit from damage in transi
t.
Th
is Warranty Does
No
t Cover: Damage caused by abuse,
acc
ident, misuse, negligence, or impro
pe
r o
pe
ration (installation) •
Ally
pr
oduc
ts that have been
altered
or
mod
if
ed
• Any p rod
uc
t whose id entifying number of d e
ca
l, se
ri
al #, etc. has been alter
ed
,
de
f
aced
or removed •
No
rmal wear
and
maintenance.