TAP-104
234-151-077AC
7
of
1
Page
1999
June
7,
Issue
Trouble
Power
(HDU)
Unit
Disk
Hard
Clear
a
have
HDU
the
Does
1.
fuse
blown
(FA
the
of
one
on
lighted
[LED]
Diode
Emitting
Light
a
or
packs)
circuit
UN356
alarm
power
(PA and OFF
UN356
the
of
one
on
lighted
LEDs
1.)
Figure
(See
packs)?
circuit
If
fuse
blown
2.
Step
with
continue
,
If
alarm
power
17.
Step
to
go
then
,
OFF
PA
OS
FA
LTEST
MOR
ON
OFF
POWER
ALARM
LED
FUSE
ALARM
LED
UN356
Pack
Circuit
UN356
The
1.
Figure
record
and
panel,
filter
and
fuse
the
on
fuse)
blown
a
(indicates
LED
fuse
lighted
a
for
Look
2.
fuse.
blown
the
of
location
the
circuit
disk
hard
the
of
both
and
alarm
fuse
the
has
that
pack
circuit
UN356
the
Remove
3.
the
Record
DLP-503.)
and
2
Figure
(See
pack.
circuit
UN356
that
with
associated
packs
Service
associated
their
pairs,
disk
Hard
removed.
is
pack
circuit
each
which
from
location
are
connections
bus
(SCSI)
Interface
System
Computer
Small
and
(SCUs),
Units
Circuit
frame).
(SCU
4
and
frame)
[SCC]
Controller
Circuit
(Service
3
Figures
in
shown
Proprietary
—
Technologies
Lucent
instructions
Company
to
pursuant
Use
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