Fan Error Messages; Power Error Messages - IBM XSERIES 255 TYPE 8685 Hardware Maintenance Manual And Troubleshooting Manual

Note: See "System" on page 160 to determine which components should be replaced by a field service technician.
Message
System board is under recommended
temperature
(level-warning; system board is under
recommended temperature)
System over temperature for CPU x
(level-warning; CPU x reporting over
temperature condition)
System under recommended CPU x
temperature (level-warning; system
reporting under temperature condition for
CPU x)

Fan error messages

Note: See "System" on page 160 to determine which components should be replaced by a field service technician.
Message
Fan x failure (level-critical; fan x had a
failure)
Fan x fault (level-critical; fan x beyond
recommended RPM range)
Fan x outside recommended speed
action

Power error messages

Note: See "System" on page 160 to determine which components should be replaced by a field service technician.
Message
Power supply x current share fault
(level-critical; excessive current demand on
power supply x)
Power supply x DC good fault
(level-critical; power good signal not detected
for power supply x)
Power supply x temperature fault
Power supply x removed
Power supply x fan fault (level-critical; fan
fault in power supply x)
Power supply x 12 V fault (level-critical;
overcurrent condition detected)
Power supply x 3.3 V fault (level-critical;
3.3 V power supply x had an error)
Power supply x 5 V fault (level-critical; 5 V
power supply x had an error)
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Action
v Ambient temperature must be within normal operating
specifications; see "Features and specifications" on page 3.
v Ensure system is being properly cooled; see"System reliability
considerations" on page 39.
v Ambient temperature must be within normal operating
specifications; see "Features and specifications" on page 3.
Action
1. Check connections to fan x.
2. Replace fan x.
1. Check connections to fan x.
2. Replace fan x.
1. Replace fan x.
Action
v Replace power supply x.
v Replace power supply x.
v Replace power supply x.
v No action required - information only.
v Replace power supply x.
v See "Power checkout" on page 35.
v See "Power checkout" on page 35.
v See "Power checkout" on page 35.