IBM 8685 Hardware Maintenance Manual - Page 165

Fan error messages, System shutdown, temperature fault

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Page 165 highlights

Fan error messages Note: See "System" on page 162 to determine which components should be replaced by a field service technician. 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. Fan x outside recommended speed action 1. Replace fan x. Power error messages Note: See "System" on page 162 to determine which components should be replaced by a field service technician. Message Action Power supply x current share fault (level-critical; excessive current demand on power supply x) v Replace power supply x. Power supply x DC good fault v Replace power supply x. (level-critical; power good signal not detected for power supply x) Power supply x temperature fault v Replace power supply x. Power supply x removed v No action required - information only. Power supply x fan fault (level-critical; fan v Replace power supply x. fault in power supply x) Power supply x 12 V fault (level-critical; overcurrent condition detected) v See "Power checkout" on page 37. Power supply x 3.3 V fault (level-critical; 3.3 V power supply x had an error) v See "Power checkout" on page 37. Power supply x 5 V fault (level-critical; 5 V v See "Power checkout" on page 37. power supply x had an error) System running non-redundant power (level-noncritical; 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 steps 1 and 2 are not followed. System under recommended voltage for x 1. Check connections to the power subsystem. (level-warning; indicated voltage supply under nominal value; value for x can be +12, 2. Power supply. -12, or +5) 3. Power backplane. System shutdown Refer to the following tables when experiencing system shutdown related to voltage or temperature problems. Chapter 6. Symptom-to-FRU index 155

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Fan error messages
Note:
See “System” on page 162 to determine which components should be replaced by a field service technician.
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
.
Fan
x
outside recommended speed
action
1.
Replace fan
x
.
Power error messages
Note:
See “System” on page 162 to determine which components should be replaced by a field service technician.
Message
Action
Power supply
x
current share fault
(level-critical; excessive current demand on
power supply
x
)
v
Replace power supply
x
.
Power supply
x
DC good fault
(level-critical; power good signal not detected
for power supply
x
)
v
Replace power supply
x
.
Power supply
x
temperature fault
v
Replace power supply
x
.
Power supply
x
removed
v
No action required - information only
.
Power supply
x
fan fault
(level-critical; fan
fault in power supply
x
)
v
Replace power supply
x.
Power supply
x
12 V fault
(level-critical;
overcurrent condition detected)
v
See “Power checkout” on page 37.
Power supply
x
3.3 V fault
(level-critical;
3.3 V power supply
x
had an error)
v
See “Power checkout” on page 37.
Power supply
x
5 V fault
(level-critical; 5 V
power supply
x
had an error)
v
See “Power checkout” on page 37.
System running non-redundant power
(level-noncritical; 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
steps 1 and 2 are not followed.
System under recommended voltage for
x
(level-warning; indicated voltage supply
under nominal value; value for
x
can be +12,
-12, or +5)
1.
Check connections to the power subsystem.
2.
Power supply.
3.
Power backplane.
System shutdown
Refer to the following tables when experiencing system shutdown related to voltage
or temperature problems.
Chapter 6. Symptom-to-FRU index
155