Light Path Diagnostics Leds - Lenovo x3530 M4 Installation And Service Manual

• 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 12. Light path diagnostics panel LEDs
• Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
• If a action step is preceded by "(Trained technician only)," that step must be performed only by a trained
technician.
LED Description
None, but the An error has occurred and cannot
Check Log LED be isolated. The error is not
is lit. represented by a path.
System Error An error occurred.
LED
OVER SPEC The power supplies are using
more power than their maximum
rating. The system is drawing
power incoherent to power
supply specified ratings.
LINK Reserved.
PS A power supply is not detected
or has failed.
Action
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.
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.
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.
1. Check the power-supply in the server that has an lit yellow
LED (see "Power-supply LEDs" on page 119).
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
115