Step
10
This
step
performs
a
visual
and
physical
check
in
an
attempt
top
fix
the
problem.
1.
Do
a
controlled
system
shutdown
(refer
to
the
instructions
in
the
7212
Model
102
Storage
Device
Enclosure
Setup
and
Operator
Guide).
2.
Ensure
that
the
power
to
the
host
is
off.
3.
Turn
off
the
power
to
the
7212
Storage
Enclosure.
4.
Unplug
the
7212
Storage
Enclosure
from
the
electrical
source.
5.
Perform
the
cover
removal
procedure.
Refer
to
“Removing
and
Replacing
the
Cover”
on
page
28.
6.
Visually
inspect
all
of
the
internal
components
in
the
enclosure.
Look
for
any
signs
of
wear,
damage,
contamination,
or
excessive
heat.
7.
Physically
check
each
cable
connection
and
ensure
all
cables
are
fully
seated
and
secured.
Are
their
any
signs
of
damage,
wear,
or
loose
cables?
NO
Plug
the
enclosure
into
an
electrical
source
and
press
the
power
On
switch
to
determine
if
the
connection
inspection
fixed
the
problem.
If
the
enclosure
does
not
power
up
normally,
go
to
Step
11.
If
the
enclosure
powers
on
and
appears
to
run
normally,
reassemble
the
enclosure,
and
then
return
to
Step
1.
YES
Replace
the
damaged
component
or
reseat
the
cable,
reassemble
the
enclosure
and
then
return
to
Step
1.
Step
11
This
step
checks
the
power
distribution
cable
as
the
possible
source
of
the
problem.
1.
Press
the
power
switch
to
turn
off
the
power
to
the
7212
Storage
Enclosure.
2.
Disconnect
the
power
distribution
cable
from
the
device
installed
in
Bay
A.
3.
Disconnect
the
power
distribution
cable
from
the
device
installed
in
Bay
B.
4.
Disconnect
the
power
distribution
cable
from
the
status
interface
card.
5.
Connect
the
power
cable
to
both
the
7212
Storage
Enclosure
and
to
the
electrical
outlet.
6.
Press
the
power
switch
to
turn
on
the
power.
7.
On
each
of
the
three
device
power
distribution
cable
connectors
(see
Figure
6),
check
the
following:
v
The
+12V
signal
falls
between
a
minimum
of
+11.5
volts
and
a
maximum
of
+12.6
volts
v
The
+5V
signal
falls
between
a
minimum
of
+4.8
volts
and
a
maximum
of
+5.25
volts
Figure
6.
Device
Power
Cable
Connector
18
7212
Storage
Device
Enclosure
Service
Guide
Summary of Contents for 7212 102
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