Lenovo System x3500 M5 Type 5464, Инструкция по установке и обслуживанию

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2. Look at the light path diagnostics panel on the front of the server. Lit LEDs on the light path diagnostics
panel indicate the type of error that has occurred. The light path diagnostics panel LEDs are visible
through the bezel. See “Light path diagnostics LEDs” on page 133. Look at the system service
label on the top of the server, which gives an overview of internal components that correspond to
the LEDs on the light path diagnostics panel. This information can often provide enough information
to diagnose the error.
Light path diagnostics LEDs
The following table describes the LEDs on the light path diagnostics panel and suggested actions to correct
the detected problems.
Look at the light path diagnostics panel on the front of the server. Lit LEDs on the light path diagnostics
panel indicate the type of error that has occurred. The light path diagnostics panel LEDs are visible
through the bezel.
• Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
• If an action step is preceded by '(Trained technician only)', that step must be performed only by a Trained
technician.
• Go to the IBM support website at http://www.lenovo.com/support to check for technical information,
hints, tips, and new device drivers or to submit a request for information.
Table 12. Light path diagnostics panel LEDs
LED Description Action
Hard disk drive/ RAID
A hard disk drive has failed or
is missing. A SAS controller or
a ServeRAID controller error
has occurred.
1. Check the LEDs on the hard disk drives for the drive
with a lit status LED and reseat the hard disk drive.
2. Reseat the hard disk drive backplane.
3. Check the LEDs near SAS controllers or ServeRAID
controllers and reseat the corresponding controllers.
4. If the error remains, replace the following components
one at a time, in the order listed, restarting the server
after each:
a. Replace the hard disk drive.
b. Replace the hard disk drive backplane.
c. Replace the SAS controller.
d. Replace the ServeRAID controller.
5. If the problem remains, go to
http://www.lenovo.com/support.
Fan A fan has failed, is operating
too slowly, or has been
removed. The TEMP LED
might also be lit. 1. Open the fan cage cover to reseat the failing fan (with
lit LED).
2. Replace the failing fan (see “Installing a hot-swap
fan” on page 226).
Chapter 4
.
Troubleshooting
133