IBM 4500R Hardware Maintenance Manual - Page 138

Power supply X 12V fault

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Page 138 highlights

Message Action Power supply "X" current share 1. fault (level- critical; excessive current demand on power supply "X") See "Power checkout" on page 26. Power supply "X" DC good fault 1. Replace power supply "X" (level-critical; power good signal not detected for power supply "X") Power supply "X" temperature fault 1. Replace fan "X" Power supply "X" removed 1. No action required - information only Power supply "X" fan fault (level-critical; fan fault in power supply "X") 1. Replace power supply "X" Power supply "X" 12V fault (level-critical; overcurrent condition detected) 1. See "Power checkout" on page 26. Power supply "X" 3.3V fault (level-critical; 3.3V power supply "X" had an error) 1. See "Power checkout" on page 26. Power supply "X" 5V fault 1. See "Power checkout" on page 26. (level-critical; 5V power supply "X" had an error) System over recommended "X" 1. current (level- non-critical; system running too much current on that voltage) See "Power checkout" on page 26. System running non-redundant 1. Add another power supply power (level-non-critical; system does not 2. Remove options from system have redundant power) 3. System can continue to operate without redundancy protection if 1 and 2 above are not followed. System under recommended 1. voltage for "X" v (level-warning; indicated voltage 2. supply under nominal value; value 3. for "X" can be +12, -12, or +5) Check connections to power subsystem Replace power supply 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 1. current (level-non- critical; system drawing less current than recommended on voltage "X") 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. 130 Hardware Maintenance Manual: Netfinity 4500R Type 8656

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130
Hardware Maintenance Manual: Netfinity 4500R Type 8656
Message
Action
Power supply "X" current share
fault
(level-
critical; excessive current demand
on power supply "X")
1.
See “Power checkout” on page 26.
Power supply "X" DC good fault
(level-critical; power good signal
not detected for power supply "X")
1.
Replace power supply "X"
Power supply "X" temperature
fault
1.
Replace fan "X"
Power supply "X" removed
1.
No action required - information only
Power supply "X" fan fault
(level-critical; fan fault in power
supply "X")
1.
Replace power supply "X"
Power supply "X" 12V fault
(level-critical; overcurrent
condition detected)
1.
See “Power checkout” on page 26.
Power supply "X" 3.3V fault
(level-critical; 3.3V power supply
"X" had an error)
1.
See “Power checkout” on page 26.
Power supply "X" 5V fault
(level-critical; 5V power supply "X"
had an error)
1.
See “Power checkout” on page 26.
System over recommended "X"
current
(level-
non-critical; system running too
much current on that voltage)
1.
See “Power checkout” on page 26.
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.