Clearing:
Trouble
363-206-295
TAP-
112
15
of
11
Page
1997
December
1,
Issue
27.
!
CAUTION:
service
cause
may
pack
circuit
unprotected
an
of
Removal
interruption.
NOTE:
The
−
to
power
supply
Panel
User
the
on
feeders/fuses
power
48V
the
on
converters
DC-to-DC
TGS/TG3, OLIU, 3DS3, 3STS1E and
,
SYSCTL
would
failure
pack
circuit
a
that
unlikely
is
It
packs.
circuit
of
cause
probable
more
The
blow.
to
fuse
feeder
one
only
cause
backplane
the
of
short
a
be
would
fuse
feeder
one
only
of
failure
a
After
connector.
shelf
pack
circuit
a
with
problem
a
or
path
feeder
circuit
the
found,
is
trouble
no
if
backplane,
the
of
inspection
thorough
trouble.
the
isolate
and
try
to
time
a
at
one
removed
be
can
packs
Remove
one
and
note
above
the
in
listed
packs
circuit
of
pair
each
of
blown
replace
−
removed
all
reinstall
again,
blow
not
does
fuse
If
fuse.
48V
the
with
beginning
time,
a
at
one
packs
circuit
SYSCTL
circuit
any
Replace
.
(
blow
to
fuse
the
causes
that
pack
DLP-518
one
with
again
blows
fuse
If
).
and
packs
circuit
removed
reinstall
removed,
packs
circuit
of
pair
each
of
all
after
blows
fuse
If
packs.
circuit
remaining
the
for
procedure
the
repeat
backplane.
the
in
is
trouble
removed,
been
have
packs
circuit
28.
PROCEDURE.
THIS
COMPLETED
HAVE
YOU
STOP.
29.
NOTE:
or
slots
wrong
the
into
inserted
packs
circuit
by
caused
be
may
Alarm
the
on
settings
switch
wrong
or
invalid
by
TGS/TG3
packs.
circuit
(
slots
correct
the
in
installed
packs
circuit
Are
rtrv-eqpt
)?
If YES
to
proceed
then
,
32
Step
.
If NO
with
continue
then
,
30
Step
.