Troubleshooting - Paradyne 7974 User Manual

Troubleshooting

7900-A2-GB21-00
The Hotwire 797x Standalone Termination Unit is designed to provide you with
many years of trouble-free service. If a problem occurs, however, refer to
Table 7-6 for possible solutions.
Table 7-6. Troubleshooting (1 of 2)
Symptom Possible Cause
ALARM LED is on. One of several alarm
conditions exists. Health
and Status displays the
alarm condition.
The terminal is not set up
Cannot access the
for the correct rate or data
unit via the ATI.
format, or the unit is
configured so it prevents
access.
The unit detects an internal
Device Fail
appears on the hardware failure.
System and Test
Status screen under
Self-Test results.
No power, or the The power cord is not
LEDs are not lit. securely plugged into the
wall receptacle or into the
rear panel connection.
The wall receptacle has no
power.
Power supply has failed.
An LED is not lit that LED is burned out.
should be lit.
August 2000
Monitoring and Troubleshooting
Solutions
Refer to Table 7-1, Health and Status
Messages, for a recommended
action.
H
Check the cable and connections.
H
Ensure the unit is configured
properly. Verify IP address and
communication port usage.
H
Reset the unit.
H
Reset the unit.
H
Contact your service
representative.
Check that the power cord is
securely attached at both ends.
H
Check the wall receptacle power
by plugging in some equipment
that is known to be working.
H
Check the power switch on the
unit's rear panel.
H
Check the circuit breaker.
H
Verify that your site is not on an
energy management program.
Replace power supply.
H
Use Table 7-5, Front Panel
to determine the correct behavior
of the LEDs.
H
Run the Lamp test. If the LED in
question does not flash with the
other LEDs, then contact your
service representative.
LEDs,
7-19