IBM 8668 Hardware Maintenance Manual - Page 132

Fan error messages, System shutdown, Power related system shutdown

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Fan error messages Message Fan ″X″ failure (level-critical; fan ″X″ had a failure) Fan ″X″ fault (level-critical; fan ″X″ beyond recommended RPM range) Action 1. Check connections to fan ″X″ 2. Replace fan ″X″ 1. Check connections to fan ″X″ 2. Replace fan ″X″ Power error messages Message Power supply ″X″ 12V current fault (level-critical; overcurrent condition detected) Power supply ″X″ 5V current fault (level-critical; overcurrent condition detected) Power supply ″X″ 3.3V current fault (level-critical; overcurrent condition detected) Power supply ″X″ DC good fault (level-critical; power good signal not detected for power supply ″X″) Power supply ″ X″ overvoltage (level-critical; power supply ″X″ has detected an overvoltage condition and shutdown) Power supply ″X″ current share fault (not level-critical, power supply X is not functioning correctly and may shut down) Power Supply ″X″ fan fault (level-critical; power supply will shutdown) System under recommended voltage for ″X″ V (level-warning: indicated voltage is lower than acceptance, ″X″ may be 3.3/5/12)) Action 1. Check for short circuit or overload on +12V bus. 2. If appropriate add additional supply into N+1 redundant array option. 1. Check for short circuit or overload on +5V bus. 1. Check for short circuit or overload on +3.3V bus. 1. Replace power supply ″X″ 1. Check power supply connectors 2. Replace power supply 3. Replace power backplane 1. Replace power supply 1. Replace power supply. 1. Check power supply connectors 2. Replace power supply 3. Replace power backplane System shutdown Refer to the following tables when experiencing system shutdown related to power supply voltage, current, or temperature problems. Power related system shutdown Message 240VA bus fault (level-critical; system has shutdown due to excessive current on either the +12v or 5 v bus) Action 1. Check for short circuit or major overload on both the +12v and +5v bus throughout the system. The system will be locked in an OFF state. Remove then replace AC power to reset. 124 Hardware Maintenance Manual: xSeries 232, Type 8668

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Fan error messages
Message
Action
Fan
″
X
″
failure
(level-critical; fan
″
X
″
had a
failure)
1.
Check connections to fan
″
X
″
2.
Replace fan
″
X
″
Fan
″
X
″
fault
(level-critical; fan
″
X
″
beyond
recommended RPM range)
1.
Check connections to fan
″
X
″
2.
Replace fan
″
X
″
Power error messages
Message
Action
Power supply
″
X
″
12V current fault
(level-critical; overcurrent condition
detected)
1.
Check for short circuit or overload on +12V bus.
2.
If appropriate add additional supply into N+1 redundant array
option.
Power supply
″
X
″
5V current fault
(level-critical; overcurrent condition
detected)
1.
Check for short circuit or overload on +5V bus.
Power supply
″
X
″
3.3V current fault
(level-critical; overcurrent condition
detected)
1.
Check for short circuit or overload on +3.3V bus.
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
″
overvoltage
(level-critical; power supply
″
X
″
has
detected an overvoltage condition and
shutdown)
1.
Check power supply connectors
2.
Replace power supply
3.
Replace power backplane
Power supply
″
X
″
current share fault
(not
level-critical, power supply X is not
functioning correctly and may shut down)
1.
Replace power supply
Power Supply
″
X
″
fan fault
(level-critical;
power supply will shutdown)
1.
Replace power supply.
System under recommended voltage for
″
X
″
V
(level-warning: indicated voltage is
lower than acceptance,
″
X
″
may be
3.3/5/12))
1.
Check power supply connectors
2.
Replace power supply
3.
Replace power backplane
System shutdown
Refer to the following tables when experiencing system shutdown related to power
supply voltage, current, or temperature problems.
Power related system shutdown
Message
Action
240VA bus fault
(level-critical; system has
shutdown due to excessive current on
either the +12v or 5 v bus)
1.
Check for short circuit or major overload on both the +12v and +5v
bus throughout the system. The system will be locked in an OFF
state. Remove then replace AC power to reset.
124
Hardware Maintenance Manual: xSeries 232, Type 8668