Fujitsu PRIMERGY TX2550 M4, Upgrade And Maintenance Manual

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Upgrade and Maintenance Manual TX2550 M4
Basic hardware procedures
4.1.3.2 Local diagnostic indicators on the system board
Using the Indicate CSS button
Ê
Shut down and power off the server.
Ê
Disconnect the AC power cord(s) from the system.
I
It is mandatory to disconnect power cords in order to use the Indicate
CSS functionality.
Ê
Press the Indicate CSS button to highlight defective components (see
section
"Onboard indicators and controls" on page 499 ).
Component LEDs
Ê
Check the component LEDs on the system board and the server rear (see
section
"Connectors and indicators" on page 497 ).
I
In addition to local diagnostic indicators, CSS or Global Error LEDs
indicate, if the defective component is a customer replaceable unit or if a
service technician needs to be dispatched to replace the part (see
section
"Determining the error class" on page 50 ).
If the system has been powered off to replace a non hot-plug unit, a
system of PRIMERGY diagnostics indicators guides you to the faulty
component.
4.2 Shutting down the server
V
CAUTION!
For more safety information, see chapter "Important information" on
page 37 .
I
This step is only required when upgrading or replacing non-hot plug
components.
Ê
Inform the system administrator that the server will be shut down and put
offline.
Ê
Terminate all applications.
Ê
Perform the required procedures described in the preliminary steps of each
upgrade or maintenance task.