AT&T 3.0 Telephone User Manual


 
Error Logs
Table 2-2
Continued
Error
Codes Description
Action
840B
NO LOOP CURRENT:
Replace the module with a similar
communication problems between
module and test, If the problem is
the module and the central office. No resolved, replace the bad module. If the
loop current.
problem persists, reinstall the old module
If this error occurs 4 times and test the trunk.
consecutively, and if Automatic
Maintenance-Busy is enabled and
the 50% maintenance-busy limit has
not been exceeded, the trunk is
busied-out automatically.
840C
STUCK RINGING:
Replace the module with a similar
Communication problems between
module and test. If the problem is
the module and central office. resolved, replace the bad module. If the
If this error occurs four times
problem persists, reinstall the old module
consecutively, and if Automatic and test the trunk.
Maintenance-Busy is enabled and
the 50% maintenance-busy limit has
not been exceeded, the trunk is
busied-out automatically.
840D
INCORRECT FIRMWARE STATE:
Turn power off for at least 1 second and
If this error occurs 4 times
then turn it on. Repeat system
consecutively, and if Automatic
programming procedure. If problem
Maintenance-Busy is enabled and persists, replace the module.
the 50% maintenance-busy limit has
not been exceeded, the trunk is
busied-out automatically.
Continued on next page
Error Logs, Access Logs, and System Inventory 2-17