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Messages and Troubleshooting
6-5
7984-A2-GB20-10
February 1999
Troubleshooting
This 7984 Standalone Termination Unit is designed to provide you with many
years of trouble-free service. If a problem occurs, however, refer to
Table 6-2 for possible solutions.
Table 6-2. Troubleshooting (1 of 2)
Symptom
Possible Cause Solutions
Alarm LED is on. One of several alarm
conditions exists. Health
and Status displays the
alarm condition.
Refer to Table 4-1, Health and Status
Messages, in Chapter 4,
Monitoring
the Unit
, for a recommended action.
Cannot access the
unit via the ATI.
The terminal is not set up
for the correct rate or data
format, or the unit is
configured so it prevents
access.
H Check the cable and connections.
H Ensure the unit is configured
properly. Verify IP address and
communication port usage.
H Reset the unit.
Device Fail appears
on the System and
Test Status screen
under Self-Test
results.
The unit detects an internal
hardware failure.
H Reset the unit.
H Contact your service
representative.
No power, or the
LEDs are not lit.
The power cord is not
securely plugged into the
wall receptacle and into the
rear panel connection.
Check that the power cord is
securely attached at both ends.
The wall receptacle has no
power.
H Check the wall receptacle power
by plugging in some equipment
that is known to be working.
H Check the power switch on the
units rear panel.
H Check the circuit breaker.
H Verify that your site is not on an
energy management program.
Power supply has failed. Replace power supply.
An LED is not lit. LED is out. Run the Lamp test. If the LED in
question does not flash with the other
LEDs, then contact your service
representative.