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Power supply unit (PSU)
▶ Push the lock spring inward to unlock the CMA stopper, see
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.
▶ Remove the CMA stopper with the mounted crossbar, see
▶ Hold the CMA stopper, the crossbar and the CMA including cables in the
one hand.
▶ Remove the PSU (see
Note for PSU1:
Remove the PSU1 carefully while lifting PSU1 and bringing PSU1 to
the right, in order to avoid interference.
▶ Mount the complete assembly (CMA stopper, the crossbar and the CMA)
again into the rail.
Removing the defective hot-plug PSU
▶ Remove the PSU, see
Installing the new hot-plug PSU
▶ Install the PSU, see
Concluding steps
▶ Connect the power cord to the new PSU and secure it with a hook-and-loop-
tape, see
"Connecting the power cord (AC PSU)" on page
▶
"Performing a fan test" on page
6.4
Replacing the power distribution board
Field Replaceable Unit
(FRU)
130
Figure
44) and install the new PSU carefully.
"Removing a hot-plug PSU" on page
"Installing a hot-plug PSU" on page
118.
Upgrade and Maintenance Manual
Figure
Figure
128.
123.
58.
Hardware: 40 minutes
42.
43.
RX4770 M5
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