Voltage
related
system
shutdown
Note:
See
“System”
on
page
108
to
determine
which
components
a
field
service
technician
should
replace.
Message
Action
System
shutoff
due
to
x
current
over
max
value
(level-critical;
system
drawing
too
much
current
on
voltage
x
bus)
See
“Power
checkout”
on
page
69.
System
shutoff
due
to
x
V
over
voltage
(level-critical;
system
shutoff
due
to
x
supply
over
voltage)
1.
Check
the
power-supply
connectors.
2.
Power
supply.
3.
Power
cage
assembly.
System
shutoff
due
to
x
V
under
voltage
(level-critical
system
shutoff
due
to
x
supply
under
voltage)
1.
Check
the
power-supply
connectors.
2.
Power
supply.
3.
Power
cage
assembly.
System
shutoff
due
to
VRM
x
over
voltage
Replace
VRM
x
.
System
shutoff
due
to
excessive
(<
240
VA)
loading
1.
See
“Power
checkout”
on
page
69.
2.
Cycle
ac
on/off.
Temperature
related
system
shutdown
Note:
See
“System”
on
page
108
to
determine
which
components
a
field
service
technician
should
replace.
Message
Action
System
shutoff
due
to
board
over
temperature
(level-critical;
board
is
over
temperature)
1.
Ensure
that
the
server
is
being
properly
cooled
;
see
“System
reliability
guidelines”
on
page
12.
2.
Replace
board.
System
shutoff
due
to
CPU
x
over
temperature
(level-critical;
CPU
x
is
over
temperature)
1.
Ensure
that
the
server
is
being
properly
cooled
;
see
“System
reliability
guidelines”
on
page
12.
2.
Replace
CPU
x
.
System
shutoff
due
to
CPU
x
under
temperature
(level-critical;
CPU
x
is
under
temperature)
Ambient
temperature
must
be
within
normal
operating
specifications
;
see
“Features
and
specifications”
on
page
3.
System
shutoff
due
to
DASD
temperature
(sensor
x
)
(level-critical;
DASD
area
reported
temperature
outside
recommended
operating
range)
Ensure
that
the
system
is
being
properly
cooled
;
see
“System
reliability
guidelines”
on
page
12.
System
shutoff
due
to
high
ambient
temperature
(level-critical;
high
ambient
temperature)
Ambient
temperature
must
be
within
normal
operating
specifications
;
see
“Features
and
specifications”
on
page
3.
System
shutoff
due
to
system
board
under
temperature
(level-critical;
system
board
is
under
temperature)
Ambient
temperature
must
be
within
normal
operating
specifications
;
see
“Features
and
specifications”
on
page
3.
Chapter
6.
Symptom-to-FRU
index
103
Summary of Contents for 884015U
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