6.4 Replacing a power supply unit
V CAUTION!
●
When replacing a power supply unit in a non-redundant PSU
configuration, the server must be switched off first.
●
Replace the power supply unit after specifying the one that breaks
down at work by revitalization.
Note for servers using CMA (Cable Management Arm)
Regarding of replacing power supply units, additional tasks are needed, due to
an interference between CMA stopper and the power supply units.
Ê Push the lock spring inward to unlock the CMA stopper (see figure 32).
V CAUTION!
In case of not enough space at the under side, unlock the CMA
stopper of the server below and pull out the CMA to the rear side
Ê Remove the CMA stopper with the mounted crossbar (see figure 33).
Ê Hold the CMA stopper, the crossbar and the CMA including cables in the one
hand.
Ê Remove the power supply unit (see figure 34) and install the new power
supply unit carefully.
I Note for PSU1: Remove the PSU1 carefully while lifting PSU1 and
bringing PSU1 to the right, in order to avoid interference
Ê Mount the complete assembly (CMA stopper, the crossbar and the CMA)
again into the rail.
Customer Replaceable Unit
(CRU)
Hardware: 5 minutes
Tools: tool-less
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