18
ã
Scania CV AB 2002, Sweden
19:03-15
Troubleshooting
3.3. No c
o
m
m
unica
ti
on to GPS
/GSM
module, dama
ged wiring.
3.3.1. Chec
k t
h
at
t
h
e GP
S/GSM
c
ables ar
e
connect
ed
se
cure
ly
and ar
e i
n
ta
ct
. R
enew
w
ir
ing if ne
ce
ss
ar
y.
4. R
adio s
p
ea
ke
rs do not
mute during
ca
ll
.
4.1. Mute box and ca
bl
es
ba
dly
connecte
d
or da
maged.
4.1.1. Chec
k t
h
at
all
c
ables to and f
rom t
h
e
mute box a
re intac
t, c
le
an a
n
d
c
onnec
te
d
securel
y
.
4.1.2. Chec
k t
h
at
t
h
e m
u
te
box
is not
da
maged. Rene
w if nec
essary.
5. Other pa
rty ca
n
not he
ar you.
5.1. Swit
ch
not working.
5.1.1. Chec
k t
h
at
t
h
e swit
ch
i
s c
onnected
se
cure
ly
a
nd
is not d
amaged. Rene
w s
w
it
ch
if
ne
ce
ss
ar
y.
5.1.2. Chec
k t
h
at
t
h
e wiring t
o
the
sw
it
ch is
inta
ct
. Ren
ew if ne
ce
ssa
ry.
5.2. Poor connec
ti
on of micr
o
phone
cable
to GPS
/GSM m
odule or
damage
d cable.
5.2.1. Chec
k t
h
at
t
h
e cable
i
s c
onnected
se
cure
ly
on the G
P
S/GS
M module. Check
al
so
tha
t the c
onnec
tor
on
the
GP
S/GS
M
module a
nd t
h
e cable
are
i
n
ta
ct and cle
an.
Repla
ce the micr
ophone and/or c
le
an the
connector
a
s
nece
ssary.
6. No incoming calls.
6.1.) Poor c
onnection of ca
bles to GP
S/
GSM modu
le
or damage
d cable
s.
6.1.1. Chec
k t
h
at
t
h
e GP
S/GSM
module
voltage
su
pply diode is on and that the
ne
twork traf
fic diode is flashing.
Fau
lt
C
ause
A
ction
