Chapter 4. operation, Power on, Power supply unit led – Lenovo Secure Managed Client User Manual
Page 27: Chapter, Operation, Power, Supply, Unit

Chapter
4.
Operation
Before
powering
on
the
Secure
Managed
Client
(SMC)
-
Storage
Array
ensure
that
all
modules
are
firmly
seated
in
their
correct
bays.
Power
on
Apply
AC
main
power
to
power
on
the
enclosure.
The
power
active
LED
on
the
front
operator’s
panel
will
light
up
green
once
power
is
activated.
The
disk
drive
motors
will
also
start
running.
CAUTION:
Do
not
operate
the
SMC
-
Storage
Array
until
the
ambient
temperature
is
within
the
specified
operating
range.
If
the
drives
have
been
recently
installed,
ensure
they
have
had
time
to
acclimate
before
operating
them.
Notes:
1.
If
main
power
is
lost
for
any
reason,
upon
restoration
of
power,
the
enclosure
will
re-start
automatically.
2.
See
for
details
on
Front
Operator’s
Panel
LEDs
and
related
fault
conditions.
Power
supply
unit
LED
The
PSU
has
a
bi-color
red/green
LED.
v
When
the
PSU
is
connected
to
a
main
supply,
the
LED
will
flash
green.
v
When
the
PSU
is
switched
on,
the
LED
will
illuminate
a
constant
green.
v
If
a
fault
occurs,
the
LED
will
illuminate
a
constant
red.
v
If
an
over-current,
under-voltage
or
over-voltage
protection
condition
occurs,
the
LED
will
flash
red.
1 POST
LED
Figure
17.
Power
supply
unit
LEDs
©
Copyright
Lenovo
2005,
2008
19