IBM 8658 User Guide - Page 153

System, shutdown, Voltage, related, system

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Message Action System running non-redundant power (level-non-critical; system does not have redundant power) 1. Add another power supply 2. Remove options from system 3. System can continue to operate without redundancy protection if 1 and 2 above are not followed. System under recommended voltage for ″X″ v (level-warning; indicated voltage supply under nominal value; value for ″X″ can be +12, -12, or +5) 1. Check connections to power subsystem 2. Replace power supply 3. Replace power backplane System under recommended voltage on 3.3 v (level-warning; 3.3 volt supply under nominal value) 1. Check connections to power subsystem 2. Replace power supply 3. Replace power backplane System under recommended X current (level-non-critical; system drawing less current than recommended on voltage ″X″) 1. See "Power checkout" on page 26. ″X″ V bus fault (level-critical; overcurrent condition on ″X″ voltage bus) 1. Check for short circuit on ″X″ voltage bus 2. See "Power checkout" on page 26. 12V ″X″ bus fault (level-critical; overcurrent condition on 12 volt ″X″ voltage bus) 1. Check for short circuit on 12 volt ″X″ voltage bus 2. See "Power checkout" on page 26. 5V fault (level-critical; overcurrent 1. Check for short circuit on 5 v bus condition on 5 V subsystem) 2. See "Power checkout" on page 26. 240 VA bus fault (level-critical; overcurrent or overvoltage condition in power subsystem) 1. See "Power checkout" on page 26. System shutdown Refer to the following tables when experiencing system shutdown related to voltage or temperature problems. Voltage related system shutdown Message Action System shutoff due to ″X″ current over max value 1. See "Power checkout" on page 26 (level-critical; system drawing too much current on voltage ″X″ bus) System shutoff due to ″X″ current over min value (level-critical; current on voltage bus ″X″ under minimum value) 1. See "Power checkout" on page 26. System shutoff due to ″X″ V 1. Check power supply connectors over voltage (level-critical; system shutoff due to ″X″ supply over 2. Replace power supply voltage) 3. Replace power backplane Symptom-to-FRU index 143

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Message
Action
System
running
non-redundant
power
(level-non-critical;
system
does
not
have
redundant
power)
1.
Add
another
power
supply
2.
Remove
options
from
system
3.
System
can
continue
to
operate
without
redundancy
protection
if
1
and
2
above
are
not
followed.
System
under
recommended
voltage
for
″
X
″
v
(level-warning;
indicated
voltage
supply
under
nominal
value;
value
for
″
X
″
can
be
+12,
-12,
or
+5)
1.
Check
connections
to
power
subsystem
2.
Replace
power
supply
3.
Replace
power
backplane
System
under
recommended
voltage
on
3.3
v
(level-warning;
3.3
volt
supply
under
nominal
value)
1.
Check
connections
to
power
subsystem
2.
Replace
power
supply
3.
Replace
power
backplane
System
under
recommended
X
current
(level-non-critical;
system
drawing
less
current
than
recommended
on
voltage
″
X
″
)
1.
See
“Power
checkout”
on
page
26.
″
X
″
V
bus
fault
(level-critical;
overcurrent
condition
on
″
X
″
voltage
bus)
1.
Check
for
short
circuit
on
″
X
″
voltage
bus
2.
See
“Power
checkout”
on
page
26.
12V
″
X
″
bus
fault
(level-critical;
overcurrent
condition
on
12
volt
″
X
″
voltage
bus)
1.
Check
for
short
circuit
on
12
volt
″
X
″
voltage
bus
2.
See
“Power
checkout”
on
page
26.
5V
fault
(level-critical;
overcurrent
condition
on
5
V
subsystem)
1.
Check
for
short
circuit
on
5
v
bus
2.
See
“Power
checkout”
on
page
26.
240
VA
bus
fault
(level-critical;
overcurrent
or
overvoltage
condition
in
power
subsystem)
1.
See
“Power
checkout”
on
page
26.
System
shutdown
Refer
to
the
following
tables
when
experiencing
system
shutdown
related
to
voltage
or
temperature
problems.
Voltage
related
system
shutdown
Message
Action
System
shutoff
due
to
″
X
″
current
over
max
value
(level-critical;
system
drawing
too
much
current
on
voltage
″
X
″
bus)
1.
See
“Power
checkout”
on
page
26
System
shutoff
due
to
″
X
″
current
over
min
value
(level-critical;
current
on
voltage
bus
″
X
″
under
minimum
value)
1.
See
“Power
checkout”
on
page
26.
System
shutoff
due
to
″
X
″
V
over
voltage
(level-critical;
system
shutoff
due
to
″
X
″
supply
over
voltage)
1.
Check
power
supply
connectors
2.
Replace
power
supply
3.
Replace
power
backplane
Symptom-to-FRU
index
143