Fujitsu Oracle M10-1 Service Manual page 116

Figure 7-6 System-stopped/cold replacement flow
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. Removing the power cords
6. Replacing a faulty FRU
7. Installing the power cords
8. Restoring the system after replacing the
motherboard unit or PSU backplane
9. Performing a diagnosis test
10. Confirming that there is no problem with the
11. Returning the mode switch on the operation
12. Starting the system
13. Closing the rack door
102 Fujitsu M10-1/SPARC M10-1 Service Manual ･ June 2021
replacement FRU
panel to Locked mode
Maintenance complete