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Light Path Diagnostics table
The system-error LED on the operator information panel is lit when certain system
errors occur. If the system-error LED on your server is lit, use the following table to
help determine the cause of the error and the action you should take.
Table 3. Light Path Diagnostics
Lit LED on
diagnostics
panel
None
An error has occurred and cannot be isolated,
or the ASM processor has failed.
PS
Power supply has failed.
TEMP
The system temperature has exceeded a
threshold level.
FAN
A fan has failed or is operating too slowly.
Note: A failing fan can also cause the TEMP
SP
The service processor has failed.
MEM
A memory error occurred.
CPU
One of the microprocessors has failed.
VRM
One of the VRMs on one of the SMP Expansion
Module boards has failed.
Cause
LED to be on.
Action
An error has occurred that is not represented by
a Light Path Diagnostics LED. Check the
system error log for more information about the
error.
Have the system serviced.
1.
Check to see if a fan has failed. If it has,
replace the fan.
2.
Make sure the room temperature is not too
hot. (See "Features and specifications" on
page 2 for temperature information.)
If the problem remains, have the system
serviced.
Check the LEDs on the fans and replace the
indicated fan.
Remove ac power from the server and then
restart the server.
If the problem remains, have the system
serviced.
1.
Check the DIMM failure LEDs on the
system board.
2.
Replace the DIMM indicated by the lit DIMM
failure LED.
1.
Check the microprocessor failure LEDs on
the system board.
2.
If a microprocessor failure LED is on, make
sure the microprocessor is installed
correctly.
If the problem remains, have the system
serviced.
Remove ac power from the server and then
restart the server.
If the problem remains, have the system
serviced.
Chapter 5. Solving problems
55
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