Troubleshooting Device Problems - Paradyne 7123 User Manual

6. Troubleshooting

Troubleshooting Device Problems

The unit is designed to provide many years of trouble-free service. However, if a
problem occurs, refer to
Table 6-2.
6-8
Table 6-2, Device
Device Problems
Symptom Possible Cause
No power, or the LEDs The power cord is not
are not lit. securely plugged into the
wall receptacle to rear panel
connection.
The wall receptacle has no
power.
Power-On Self-Test The unit has detected an
fails. Only Alarm LED internal hardware failure.
is on after power-on.
Cannot access the unit Login or password is
or the menu-driven incorrect, COM port is
user interface. misconfigured, or the unit is
otherwise configured so it
prevents access.
Failure xxxxxxxx The unit has detected an
appears at the top of internal software failure.
the System and Test
Status screen, at
Self-Test Results.
An LED appears LED is burned out.
dysfunctional.
Not receiving data. Network cable loose or
broken.
September 2001
Problems, for possible solutions.
Solutions
Check that the power cord is
securely attached at both ends.
T
Check the wall receptacle
power by plugging in some
equipment that is known to be
working.
T
Check the circuit breaker.
T
Verify that your site is not on an
energy management program.
T
Reset the unit and try again.
T
Contact your service
representative.
T
Return the unit to the factory
(refer to Warranty, Sales,
Service, and Training
Information on page A of this
document).
T
Reset the unit (see
Communication with an
Improperly Configured Unit
page 6-4.)
T
Contact your service
representative.
T
Record the 8-digit code from
the System and Test Status
screen.
T
Reset the unit and try again.
T
Contact your service
representative and provide the
8-digit failure code.
Run the Lamp Test. If the LED in
question does not flash with the
other LEDs, then contact your
service representative.
T
Reconnect or repair the cable.
T
Call the network service
provider.
7123-A2-GB20-00
Restoring
on