Fujitsu M10-4 Service Manual page 201

Figure 7-26 Inactive/hot removal flow (for an internal disk or PCIe card)
1. Open rack door
2. Switch mode switch
3. Check operating condition of system and
I/O device usage status
4. Power off chassis requiring maintenance
5. Lower cable support for maintenance on
PCIe card
6. Remove target FRU
7. Secure cable support after maintenance
on PCIe card
8. Diagnose chassis requiring maintenance
9. Confirm that there is no problem with chassis
after removal
10. Return mode switch to original mode
11. Power on chassis requiring maintenance
12. Close rack door
Removal complete
Chapter 7 Maintenance Flow 187