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Chapter 5
Troubleshooting
Troubleshooting Using LED Indicators
120
Subsystem CPU
board
Memory
board
I/O
board
n/a A soldered voltage regulator has failed—the
specified board must be replaced.
I/O VRM 12 volt 5 volt 3 volt n/a A plug-in voltage regulator has
failed—replace I/O baseboard.
CPU VRM n/a n/a n/a n/a n/a
Fan Module 0 1 2 n/a One or both fans in a fan module have
failed—the module must be replaced.
Fan 2 is in front of the power supplies.
Memory
Bank X (0-7)
DIMM
xA
DIMM
xB
DIMM
xC
DIMM
xD
The specified DIMM has failed—the DIMM
must be replaced.
If all the LEDs for a rank (0-7) are lit and
the memory config error LED is lit, then the
DIMMs in the specified rank are
mismatched—replace mismatched DIMM.
Check
Power
Supply
n/a n/a n/a One of the power supply or power supply
fans have failed—replace the power supply.
The faulty power supply LED (located on
Power supply) will be lit.
Memory
Config Error
n/a n/a n/a The DIMMs in a rank are mismatched. All
the DIMMs in the specified rank (0-7) will
be lit.
Processor
Config Error
n/a n/a n/a The processors are mismatched—replace
mismatched processor.
Missing
Component
n/a n/a n/a A required component(s) is not installed in
the server and thus preventing “power-up.”
Server Temp n/a n/a n/a The internal temperature of the server has
exceeded the warning or critical level.
Check Event
Log
n/a n/a n/a An event has occurred that requires
attention.
Table 5-4 QuickFind Diagnostic Panel LED Definitions (Continued)
Item LED 0 LED 1 LED 2 LED3 Details