48 Upgrade and Maintenance Manual
RX2520 M4
Basic hardware procedures
Ê Press the Indicate CSS button to highlight defective components (see
section "Onboard indicators and controls" on page 393).
Component LEDs
Ê Check the component LEDs on the system board and the server rear (see
section "Connectors and indicators" on page 391).
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 46).
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 33.
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.
Ê "Verifying and configuring the backup software solution" on page 70.
Ê "Removing backup and optical disk media" on page 69.
Ê Shut down the server.
I If the system is running an ACPI-compliant operating system,
pressing the On / Off button will perform a graceful shutdown.
Ê Switch on the ID indicator on the front and rear I/O panels of the server, see
section "Locating the defective server" on page 45.
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