AT&T 3.0 Telephone User Manual


 
Error Logs
Table 2-2
Continued
Error
Codes Description
Action
7005
PRI B-CH GROUP INCONSIST:
Troubleshoot the PRI trunk and report to
service provider; otherwise, no action
required. If problem persists, contact
your technical support organization.
7401 TRK UPLINK MESSAGE ERROR:
Test the trunk with a single-line
Communication problems between
telephone. If the problem is not in the
processor and modules.
trunk, replace the module with one that is
Unrecognized message from module
known to be working. If the problem is
to processor.
gone when using the known good
module, replace the module and restart.
7402
LOOP CONTROL BIT NOT SET:
Test the trunk with a single-line
No loop current on an outgoing call.
telephone, If the problem is not in the
If this error occurs four times
trunk, replace the module with one that is
consecutively, and if Automatic
known to be working. If the problem is
Maintenance-Busy is enabled and the gone when using the known good
50% maintenance busy limit has not
module, replace the module and restart.
been exceeded, the trunk is busied-
out automatically.
7403
NO LOOP CURRENT:
Test the trunk with a single-line
Communication problems between
telephone. If the problem is not in the
the module and central office.
trunk, replace the module with one that is
No loop current.
known to be working, If the problem is
If this error occurs four times
gone when using the known good
consecutively, and if Automatic
module, replace the module and restart.
Maintenance-Busy is enabled and the
50% maintenance-busy limit has not
been exceeded, the trunk is busied-
out automatically.
Continued on next page
2-12 Error Logs, Access Logs, and System Inventory