Lenovo BladeCenter HX5 1909, Problem Determination And Service Manual

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• Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
• See “ Parts listing - BladeCenter HX5 ” on page 57 to determine which components are CRUs and which
components are FRUs.
• 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
I/O expansion
error (CIOv) The IMM lights
this LED when
the expansion
card in the I/O-
expansion
connector (CIOv)
has failed. The
fault LED on the
front panel is also
lit.
1. Reseat the expansion card.
2. Replace the expansion card. See “Removing a CIOv expansion card” on
page 120 and “Installing a CIOv expansion card” on page 123.
Reset indicator This LED is lit
when the blade
server is in the
process of being
reset. Information only
Light path diagnostics LEDs - IBM MAX5
Use this information to diagnose and solve possible errors that are indicated by the light path diagnostics
LEDs.
The following table describes the LEDs on the IBM MAX5 expansion blade system board and suggested
actions to correct detected problems. For information about the location of the LEDs on the expansion blade
system board, see “System-board LEDs - IBM MAX5 expansion blade” on page 15. See “Viewing the light
path diagnostics LEDs” on page 203 for information about lighting the LEDs.
Chapter 5
.
Diagnostics
209