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v Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
v See Chapter 4, "Parts listing," on page 41 to determine which components are consumable, structural, or CRU
parts.
v If an action step is preceded by "(trained technician only)," that step must be performed only by a trained
technician.
Lit light path
diagnostics LED
Description
None
An error has occurred and cannot be isolated,
or the service processor has failed.
Battery error
The system battery is not installed or is not
working.
DIMM x error
A memory error occurred.
Front panel
The front control panel is not installed
missing error
correctly.
LP active
The system board light path LEDs have
power.
Action
1. Make sure that the light path diagnostics
LED is lit, to ensure that there is enough
power in the blade server to light the rest
of the LEDs. See "Viewing the light path
diagnostics LEDs in the blade server" on
page 185.
2. Check the BMC log for information about
an error that is not represented by a light
path diagnostics LED. See "Using the
Setup utility" on page 18.
1. Reseat the battery. See "Removing the
battery" on page 61 and "Installing the
battery" on page 62.
2. Replace the battery. See "Removing the
battery" on page 61 and "Installing the
battery" on page 62.
Look for system-event and IMM/AMM logs
related to memory and resolve those events
(see "IMM error messages" on page 128 and
"UEFI/POST error codes" on page 99).
Make sure that the front control panel is
installed correctly and the control panel cable
is installed securely on the system board (see
"Installing the control panel" on page 78).
Check for error LEDs that are lit on the system
board. If this LED fails to light, install the
blade server in a chassis for approximately 2
hours to enable the light path diagnostics
panel to charge.
Chapter 6. Diagnostics
187
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