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15: Troubleshooting
Troubleshooting Chart
230
Table 15-1 lists recommended actions for problems that can occur. To solve problems that
are not listed in this table, use the SGI Electronic Support system or contact your SGI
system support engineer (SSE). For more information about the SGI Electronic Support
system, see the "SGI Electronic Support" on page 234.
Table 15-1
Troubleshooting Chart
Problem Description
The system will not power on.
An individual brick will not power on.
The system will not boot the operating
system.
The Service Required LED illuminates on
a brick.
The Failure LED illuminates on a brick.
The green or yellow LED of a NUMAlink
port is not illuminated.
The PWR LED of a populated PCI slot is
not illuminated.
The Fault LED of a populated PCI slot is
illuminated (on).
The System Status LED of the TP900 is
amber.
Recommended Action
Ensure that the power cord of the PDU is seated
properly in the power receptacle.
Ensure that the PDU circuit breaker is on.
If the power cord is plugged in and the circuit breaker
in on, contact your SSE.
Ensure that the power switch at the rear of the brick
is on (1 position).
View the L1 display; see Table 15-2 if an error
message is present.
If the L1 controller is not running, contact your SSE.
Check the connection between the brick and its
power source.
Contact your SSE.
View the L1 display of the failing brick; see Table 15-2
for a description of the error message.
View the L1 display of the failing brick; see Table 15-2
for a description of the error message.
Ensure that the NUMAlink cable is seated properly
on the source and destination bricks.
Reseat the PCI card.
Reseat the PCI card. If the fault LED remains on,
replace the PCI card.
Contact your SSE.
007-4653-001
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Table of Contents
Troubleshooting
