Step
6
This
step
checks
the
power
supply
voltage
levels
as
the
possible
source
of
the
problem.
Note:
The
illumination
of
the
amber
fault
LED
on
the
rear
of
the
power
supply
is
the
primary
indicator
for
the
need
to
replace
the
power
supply.
1.
Press
the
power
switch
to
turn
off
the
power
to
the
7214
Storage
Enclosure.
2.
Unplug
the
7214
Storage
Enclosure
from
the
electrical
outlet.
3.
Disconnect
the
power
supply
connector
from
the
internal
power
distribution
cable.
4.
Connect
the
power
cable
to
both
the
7214
Storage
Enclosure
and
to
the
electrical
outlet.
5.
Press
the
power
switch
to
turn
on
the
power.
6.
Ensure
the
fan
is
operating
on
the
power
supply.
7.
On
the
power
supply
connector,
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
Are
the
voltages
good,
and
is
the
power
supply
fan
operating?
NO
Replace
the
power
supply
(see
“Removing
and
Replacing
the
Power
Supply”
on
page
25),
reassemble
the
enclosure,
and
then
return
to
Step
1.
YES
Reconnect
the
power
supply
to
all
cables
and
then
go
to
Step
7.
Step
7
This
step
checks
the
VPD
cable
as
the
possible
source
of
the
problem.
1.
Press
the
power
switch
on
the
7214
Model
1U2
to
turn
on
the
power
to
the
enclosure.
Does
the
LED
on
the
front
of
the
enclosure
illuminate
with
the
power
on?
YES
Proceed
to
Step
8.
NO
Replace
the
VPD
cable
(see
“Removing
and
Replacing
the
VPD
Cable
Assembly”
on
page
31),
reassemble
the
enclosure,
and
then
return
to
Step
1.
Chapter
2.
Maintenance
Analysis
Procedures
11
Summary of Contents for ESCALA 7214
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