TX140 S1 Upgrade and Maintenance Manual 149
Power supply
6.3.2 Replacing a power supply module
V CAUTION!
Follow the safety instructions in chapter "Important information" on
page 41.
V CAUTION!
● When replacing a power supply module in a non-redundant
configuration, the server must be switched off first.
● Replace the power supply module after specifying the one that
breaks down at work by revitalization.
I Note for servers using CMA (Cable Management Arm)
Since the installed CMA is blocking PSU modules, additional steps are
required in order to remove or replace PSU modules:
Ê Unlock the CMA stopper.
Ê Remove the CMA stopper with the mounted crossbar.
Ê Support the CMA stopper, the crossbar and the CMA arm including
cables with your right hand.
Ê Remove the PSU module and carefully install a new PSU module.
Ê Remount the complete assembly (CMA stopper, crossbar and CMA
arm) into the rail.
6.3.2.1 Required tools
● Preliminary and concluding steps: tool-less
● Replacing the PSU module: tool-less
Customer Replaceable Units (CRU)
Average task duration: 5 minutes