Fujitsu M10-4 Service Manual page 161

Table 7-8 Inactive/hot replacement work procedure (for a power supply unit or fan unit)
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 chassis requiring maintenance
4 Powering off the chassis requiring
maintenance
5 Releasing a faulty FRU from the
system
6 Removing the front cover
7 Replacing a faulty FRU
8 Installing the front cover
9 Incorporating the replacement FRU
into the system
10 Diagnosing the replacement FRU
11 Confirming that there is no
problem with the replacement FRU
12 Returning the mode switch on the
operation panel to Locked mode
13 Powering on the chassis requiring
maintenance
14 Closing the rack door
Reference
"5.2 Switching the Mode Switch to Service
"5.3.1 Checking the operating condition of the physical partition or
logical domain"
"5.5 Powering Off the Physical Partition Requiring
"5.8.2 Releasing of the power supply unit and fan unit of the
SPARC M10-4/M10-4S"
"5.9.5 Removing the front
"Chapter 11 Maintaining the Fan
"Chapter 12 Maintaining the Power Supply
"6.1.5 Installing the front
"6.2.2 Incorporation of the power supply unit and fan unit of the
SPARC M10-4/M10-4S"
"6.3.1 Diagnosing the system
"6.3.3 Checking the FRU status after
"6.6 Returning the Mode Switch to Locked
"6.7 Powering On the Physical Partition Requiring
Mode"
cover"
Units"
Units"
cover"
board"
maintenance"
Mode"
Chapter 7 Maintenance Flow
Maintenance"
Maintenance"
147