IBM LS42 - BladeCenter - 7902, Руководство по обслуживанию

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Power problems
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 3, “Parts listing, Types 7901 and 7902,” on page 19 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.
Symptom Action
Power switch does not work,
and the reset button does work.
1. Reseat the control-panel connector (see “Removing the bezel assembly” on
page 33 and “Installing the bezel assembly” on page 34).
2. Replace the following components one at a time, in the order shown, restarting
the blade server each time:
a. Bezel assembly (see “Removing the bezel assembly” on page 33 and
“Installing the bezel assembly” on page 34)
b.
(Trained service technician only) System-board assembly (see “Removing
the system-board assembly” on page 62 and “Installing the system-board
assembly” on page 62)
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BladeCenter LS22 Type 7901 and LS42 Type 7902: Problem Determination and Service Guide