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, Types 7871 and 1949,” 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 10.
2. Replace the bezel assembly - See “Removing the bezel assembly” on page 59
and “Installing the bezel assembly” on page 60.
3. (Trained service technician only) Replace the system-board assembly - See
“Removing the system-board assembly” on page 94 and “Installing the
system-board assembly” on page 95.
174 BladeCenter HS22V Type 7871 and 1949: Problem Determination and Service Guide
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