Fujitsu M10-4 Service Manual page 168

Table 7-11 System-stopped/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
system
4 Stopping the system
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 Starting the system
14 Closing the rack door
154 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 Status"
"5.6 Stopping the Entire
"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
"6.8 Starting the Entire System"
Mode"
System"
cover"
Units"
Units"
cover"
board"
maintenance"
Mode"