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 IFSF plug with cable
standoff and two small slots
for Tie Wrap
2 conductor LON cable
supplied by customer
Cover snaps onto plug enclosing
connections
From the outside of the housing piece thread tie wrap up through one of
the small slots in the plug body, around the LON cable and back out through
second slot. Push tie wrap through self-locking head and pull tight to secure
cable against cable standoff.
Cable
Housing
Tie wrap
A - A
A
A
Verify each of the wires is correctly
seated in the plug’s terminal clamps.
If the clamps are not opened all the
way when inserting the wires into the
plug, the wires can be inserted
behind the clamps preventing proper
contact.
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