By placing the system-error LED indicator in Remind mode, you acknowledge
that you are aware of the last failure but will not take immediate action to
correct the problem.
v Reset button: Press this button to reset the server and run the power-on self-test
(POST). You might have to use a pen or the end of a straightened paper clip to
press the button.
Light path diagnostics LEDs
The following table describes the LEDs on the light path diagnostics panel and
suggested actions to correct the detected problems. For additional information, see
“Server controls, LEDs, and power” on page 14 and the “System-board LEDs” on
page 28 for the location of the system board LEDs.
Note: Check the IMM system-event log or system event log for additional
information before replacing a FRU.
Table 11. Light path diagnostics panel LEDs
v Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
v If a action step is preceded by "(Trained technician only)," that step must be performed only by a trained
technician.
LED Description Action
None, but the
Check Log LED
is lit.
An error has occurred and cannot
be isolated. The error is not
represented by a path.
1. Check the IMM2 system even log and the system-error
log for information about the error.
2. Save the log if necessary and clear the log afterwards.
System Error
LED
An error occurred.
1. Check the light path LEDs and follow the listed
instruction.
2. Check the IMM2 system even log and the system-error
log for information about the error.
3. Save the log if necessary and clear the log afterwards.
OVER SPEC The power supplies are using
more power than their maximum
rating. The system is drawing
power incoherent to power
supply specified ratings.
If the OVER SPEC LED is lit, use one of the following
procedures:
1. Turn off the server, disconnect the power from the server.
2. Remove the optical drive, fans, hard disk drives, and hard
disk drive backplanes.
3. Restart the server to see whether the problem remains.
4. Reinstall each device that was removed in step 2 one at a
time, starting the server each time, to isolate the failing
device.
5. Replace any failing device.
6. (Trained technician only) Replace the system board.
LINK Reserved.
PS A power supply is not detected
or has failed.
1. Check the power-supply in the server that has an lit
yellow LED (see “Power-supply LEDs” on page 114).
2. Make sure that the power supplies are seated correctly.
3. Remove one of the power supplies to isolate the failed
power supply.
4. Replace the failed power supply.
Chapter 4. Troubleshooting 109
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