Fujitsu M10-4 - Page 137

1. Open rack door
3. Check operating condition of chassis
requiring maintenance
4. Power off chassis requiring maintenance
5. Release FRU requiring maintenance from
system
6. Remove front cover
7. Replace faulty FRU
8. Install front cover
9. Incorporate replaced FRU into system
10. Diagnose replaced FRU
11. Confirm that there is no problem with
replacement FRU
12. Return mode switch to original mode
13. Power on chassis requiring maintenance
14. Close rack door
Maintenance complete
2. Switch mode switch
Figure 7-7
Inactive/hot replacement flow (for a power supply unit or fan unit)
Chapter 7 Maintenance Flow 123