AT&T MERLIN LEGEND Communications System Release 2.0 Maintenance And Troubleshooting Manual page 74

Error Logs, the Access Log, and System Inventory
Table 2-1: – (Continued)
Error
Code Description
840C STUCK RINGING:
Communication problems between the
module and central office.
If this error occurs four times
consecutively, and if auto-
maintenance busy is enabled and the
50% maintenance-busy limit has not
been exceeded, the trunk will be
busied-out automatically.
840D
INCORRECT FIRMWARE STATE:
If this error occurs four times
consecutively, and if auto-
maintenance busy is enabled and the
50% maintenance-busy limit has not
been exceeded, the trunk will be
busied-out automatically.
840E UPLINK MESSAGE ERROR:
Communication problems between the
processor and the modules. The
module received an unrecognized
message from the processor.
8C01
SLOTS NOT EQUAL:
The module that occupies the indicated
slot does not match the slot information
contained in the PC backup file.
2-20
Error Logs
Action
Replace the module with a similar
module and test. If the problem is
resolved, replace the bad module. If
the problem persists, reinstall the old
module and test the trunk.
Turn power off for at least 1 second and
then turn it on. Repeat system
programming procedure. If problem
persists, replace the module.
Turn the processor off and then on.
Repeat system programming
procedure, If the problem persists,
replace the module.
Troubleshoot the slot descriptions in
your backup file against the actual
system modules that occupy those
slots. After the mismatch is corrected,
repeat the restore operation.