6
Console Troubleshooting
TLS-450PLUS Troubleshooting Guide
6-8
IFSF Communication
Not Working - (cont’d.)
Bad cable connecting ATG to LON
network
Verify the external input plug is pushed all the way
into the connector on the IFSF module. Verify if
wires are loose or broken. If necessary, replace
cable. The IFSF cable’s plug will have to be assem-
bled in the field as shown below:
Table 6-2. TLS-450PLUS Troubleshooting
Symptom
Cause
Corrective Action
2-pin IF
S
F pl
u
g with c
ab
le
s
t
a
ndoff
a
nd two
s
m
a
ll
s
lot
s
for Tie Wr
a
p
2 cond
u
ctor LON c
ab
le
su
pplied
b
y c
us
tomer
Cover
s
n
a
p
s
onto pl
u
g enclo
s
ing
connection
s
From the o
u
t
s
ide of the ho
us
ing piece thre
a
d tie wr
a
p
u
p thro
u
gh one of
the
s
m
a
ll
s
lot
s
in the pl
u
g
b
ody,
a
ro
u
nd the LON c
ab
le
a
nd
ba
ck o
u
t thro
u
gh
s
econd
s
lot. P
us
h tie wr
a
p thro
u
gh
s
elf-locking he
a
d
a
nd p
u
ll tight to
s
ec
u
re
c
ab
le
a
g
a
in
s
t c
ab
le
s
t
a
ndoff.
C
ab
le
Ho
us
ing
Tie wr
a
p
A - A
A
A
Verify e
a
ch of the wire
s
i
s
correctly
s
e
a
ted in the pl
u
g
’s
termin
a
l cl
a
mp
s
.
If the cl
a
mp
s
a
re not opened
a
ll the
w
a
y when in
s
erting the wire
s
into the
pl
u
g, the wire
s
c
a
n
b
e in
s
erted
b
ehind the cl
a
mp
s
preventing proper
cont
a
ct.
