IBM 1911, Service Manual

Page: 190 / 268

Power problems
Use this information to diagnose and resolve power problems for the blade server.
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.
Symptom Action
The power-control button does
not work.
1. Reseat the control-panel connector - See “Blade server controls and LEDs” on
page 11.
2. Replace the bezel assembly - See “Removing the bezel assembly” on page 80
and “Installing the bezel assembly” on page 81.
3.
(Trained service technician only) Replace the system-board assembly - See
“Removing the system-board assembly” on page 97 and “Installing the
system-board assembly” on page 98.
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BladeCenter HS22 Type 7870, 1936, and 1911: Problem Determination and Service Guide