Overtemperature
condition
and
power
supply
shutdown
If
the
fan
and
communications
module
fails
or
is
unable
to
maintain
an
internal
temperature
below
70°
C
(158°
F),
one
or
both
of
the
power
supplies
in
the
DS4500
Storage
Server
might
shut
down
(see
Figure
30).
If
both
power
supplies
shut
down,
the
DS4500
Storage
Server
is
not
operational.
The
storage-management
software
causes
the
fan
and
communications
module
fault
indicator
and
storage
server
fan
indicator
to
light
before
the
temperature
has
risen
sufficiently
to
shut
down
the
power
supplies.
The
storage
server
fan
indicator
light,
shown
in
Figure
31,
is
lit
when
the
DS4500
Storage
Server
temperature
exceeds
45°
C
(113°
F).
The
DS4500
Storage
Server
shuts
down
if
the
temperature
rises
to
70°
C
(158°
F).
If
both
power
supplies
shut
down,
the
fault
indicator
cannot
light.
Figure
30.
Fan
and
communications
and
power
supply
fault
indicators
Figure
31.
Storage
server
fan
indicator
Chapter
2.
Operating
the
DS4500
Storage
Server
37
Summary of Contents for TotalStorage DS4500
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