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Note: You can view the LEDs from the advanced management module web interface. For more information,
see the Advanced Management Module Installation and User's Guide.
Viewing the light path diagnostics LEDs
Use this information to locate and identify the light path diagnostics LEDs.
Before you work inside the blade server to view light path diagnostics LEDs, read "Safety" on page v and
"Installation guidelines" on page 65.
If an error occurs, view the light path diagnostics LEDs in the following order:
Step 1.
Look at the control panel on the front of the blade server (see "Blade server controls and LEDs" on
page 7).
Power button / LED
KVM select
button / LED
Media tray select
button / LED
• If the information LED is lit, it indicates that an Automatic BIOS Recovery has occurred. Perform
these steps to resolve the issue:
1. Attempt to update the server firmware again (see "Updating firmware and device drivers" on
page 30).
2. Reseat the blade server (see "Removing the blade server from the BladeCenter chassis" on
page 66 and "Installing a blade server in a BladeCenter chassis" on page 67).
3. (Trained service technician only) Replace the system board (see "Removing the system-
board assembly - BladeCenter HX5" on page 140 and "Installing the system-board
assembly - BladeCenter HX5" on page 142).
• If the fault LED is lit, it indicates that an error has occurred; view the light path diagnostics panel
and LEDs to isolate the failing component.
Step 2.
Look for LEDs through the front bezel, which indicate microprocessor errors.
Step 3.
To view the light path diagnostics panel and LEDs, complete the following steps:
a.
Remove the blade server or scalable blade complex from the BladeCenter chassis, (see
"Removing the blade server from the BladeCenter chassis" on page 66 for instructions).
b.
Carefully lay the blade server on a flat, static-protective surface.
c.
Open the blade server cover (see "Removing the blade server cover" on page 71 for
instructions).
d.
Press the power button. When you press the power button, LEDs on the system board will be
lit if there are any hardware-related issues.
Activity LED
Location LED
Information LED
MT
Fault LED
.
203
Chapter 5
Diagnostics
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