Classification Of Procedures; Customer Replaceable Units (Cru) - Fujitsu Primergy BX900 S2 Upgrade And Maintenance Manual

Before you start
Replacing a defective component
The global error indicators on rear side of the system unit as well as local
diagnostic LEDs on the ServerView Local Service Display for Blade (hereinafter
referred to as Local Service Display) report defective hardware components
that need to be replaced. For further information on the controls and indicators
of your system unit, refer to the section
page 179.
If the defective component is a customer replaceable unit included in the CSS
concept (Customer Self Service, only available for EMEA market), the CSS
indicators on the front and rear side of the system unit will light up.
2.1

Classification of procedures

The complexity of maintenance procedures varies significantly. Procedures
have been assigned to one of three unit categories, indicating the level of
difficulty and required qualification.
At the beginning of each procedure, the involved unit type is indicated by one of
the symbols introduced in this section.
I
Please ask your local Fujitsu service center for more detailed
information.
2.1.1

Customer Replaceable Units (CRU)

Customer Replaceable Units (CRU)
Customer Replaceable Units are intended for customer self service and may be
installed or replaced as hot-plug components during operation.
I
Components that the customer is entitled to replace may differ according
to the service form in his country.
Hot-plug components increase system availability and guarantee a high degree
of data integrity and fail-safe performance. Procedures can be carried out
without shutting down the system unit or going offline.
22 Upgrade and Maintenance Manual
"Connectors and indicators" on
BX900 S2