
13 Troubleshooting
This section describes procedures for troubleshooting a Mobile Messaging System. The
System Troubleshooting Flow Diagram below will assist you in the troubleshooting process.
Install Complete
Did system
power up?
Did system
activate?
Does unit have
proper software
installed?
System OK
Yes
Yes
Yes
NO
NO
NO
NO
NO
Yes
Yes
Yes
Did system
calibrate with
CQI>96?
Did unit receive
message from
dispatch?
Verify unit
is in FM
coverage
Verify that the
antenna is
installed correctly
and check cable
connections
Download and
install as directed
Check all power
connections and
verify 12-18 VDC
is present
See troubleshooting section
on what to look for and how
to repair
Refer to the DT/ITU
Software Upgrade
Installation Manual
See troubleshooting section
on what to look for and how
to repair
Call Customer
Service
If unable to verify, call
Customer Service
13-1
Mobile Messaging System Installation Manual
June 15, 2001
UM20-100111B
Terion, Inc.
Summary of Contents for UM20-100111B
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