IBM Netfinity 5100 8658 21Y, Manual

Page: 191 / 246

Message Action
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 36.
″
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 36.
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 36.
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 36.
240 VA bus fault
(level-critical; overcurrent
or overvoltage condition
in power subsystem)
1. See “Power checkout” on
page 36.
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 36
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 36.
Symptom-to-FRU index
181