Lucent Technologies MERLIN LEGEND Release 5.0 Pocket Reference page 119

Maintenance Error Codes ( continued )
Error Code
7402
7403
7404
7801
7802
Description
LOOP CONTROL BIT NOT
SET:
No loop current on outgoing
call. If error occurs four
times consecutively, and if
automatic maintenance-
busy is enabled with less
than 50% maintenance
busy, trunk is busied-out
automatically.
NO LOOP CURRENT:
Communication problems
between module and CO.
No loop current. If error
occurs four times
consecutively, and if
automatic maintenance-
busy is enabled with less
than 50% maintenance
busy, trunk is busied-out
automatically.
STUCK RINGING:
Communication problems
between module and CO. If
error occurs two times
consecutively, trunk is
busied-out automatically
whether or not automatic
maintenance-busy is
enabled.
NOT IN NORMAL OP
MODE:
Module not in normal
operation mode; reported in
background module check.
SANITY INT NOT
GENERATED:
Applies only to modules with
extension jacks.
Technician's Addendum
Action
Test trunk with single-line
telephone. If problem is
not in trunk, replace
module with one known
to work. If problem is not
seen with known working
module, replace the
module and restart.
Test trunk with single-line
telephone. If problem is
not in trunk, replace
module with one known
to work. If problem is not
seen with known working
module, replace the
module and restart.
Test trunk with single-line
telephone. If problem is
not in trunk, replace
module with one known
to work. If problem is not
seen with known working
module, replace the
module and restart.
Reset board. If problem
persists, check module.
Maintenance Slot
Slot Number Reset
Reset board. If problem
persists, check module.
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