Fujitsu M10-4 Service Manual page 172

Table 7-13 System-stopped/cold replacement work procedure (for a single-chassis configuration)
Item Work procedure
1 Opening the rack door
2 Switching the mode switch on the
operation panel to Service mode
3 Checking the operating condition
of the system and the I/O device
usage status
4 Stopping the system
5 Enabling access to the FRU
requiring maintenance
6 Replacing a faulty FRU
7 Restoring the chassis requiring
maintenance
8 Checking the XCP firmware
version (*3)
9 Performing a diagnosis test
10 Confirming that there is no
problem with the replacement FRU
11 Returning the mode switch on the
operation panel to Locked mode
12 Starting the system
13 Closing the rack door
*1 Simultaneous replacement of the CPU memory unit lower and PSU backplane unit is prohibited. To replace the CPU memory unit
lower and PSU backplane unit, first replace either of the units and perform the work up to "10. Confirming that there is no problem with
the replacement FRU." Then, return to "5. Enabling access to the FRU requiring maintenance," and replace the other unit.
*2 If a CPU memory unit lower is replaced in the system of the hardware RAID volume in a hardware RAID configuration using internal
disks, you need to reactivate the hardware RAID volume before performing the work in "12. Starting the system." For details, see "14.2.11
Re-enabling a Hardware RAID Volume" in the Fujitsu SPARC M12 and Fujitsu M10/SPARC M10 System Operation and Administration
Guide.
*3 In replacement of a FRU other than the CPU memory unit lower in "6. Replacing a faulty FRU," this work is not required. Even if you
switched the microSD card when replacing the CPU memory unit lower, this work is not required.
158 Fujitsu M10-4/Fujitsu M10-4S/SPARC M10-4/SPARC M10-4S Service Manual ･ June 2023
Reference
"5.2 Switching the Mode Switch to Service
"5.3 Checking the Operating Condition and Resource Usage
"5.6 Stopping the Entire
"5.9 Accessing a FRU"
See the removal and installation procedures in the maintenance
procedures for each FRU.
"Chapter 8 Maintaining the PCI Express
"Chapter 9 Maintaining the CPU Memory
"Chapter 10 Maintaining the Internal
"Chapter 11 Maintaining the Fan
"Chapter 12 Maintaining the Power Supply
"Chapter 13 Maintaining the PSU Backplane Unit/Operation
(*1)
"Chapter 15 Maintaining the Crossbar
"6.1 Restoring the Chassis"
"9.11 Checking the XCP Firmware
"6.3.1 Diagnosing the system
"6.3.3 Checking the FRU status after
"6.6 Returning the Mode Switch to Locked
"6.8 Starting the Entire System"
Mode"
System"
Cards"
Unit/Memory" (*1)(*2)
Disks"
Units"
Units"
Units"
Version"
board"
maintenance"
Mode"
Status"
Panel"