The following illustration shows the locations of the light path LEDs and the light
path diagnostics switch on the expansion unit system board.
GPU error LED
BPE4
Ck Nxt
CFFh
LP
BladeCenter GPU expansion unit light path diagnostics LEDs
Use this information to diagnose and resolve possible errors displayed by the light
path diagnostic LEDs in the BladeCenter GPU expansion unit.
The following table describes the LEDs on the expansion unit system board and
suggested actions to correct the detected problems. Follow the suggested actions in
the order in which they are listed in the Action column until the problem is solved.
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 CRUs and which components
are FRUs.
v
If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
Lit light path
diagnostics LED
Description
Action
LP
The light path LEDs have power.
If the LP LED is green, check for error LEDs
that are lit in the expansion unit.
If the LP LED is off, install the expansion unit
on the blade server and install the combined
assembly into the BladeCenter for 5 to 10
minutes to recharge the LEDs.
188
BladeCenter HS22 Type 7870, 1936, and 1911: Problem Determination and Service Guide
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