▶
Push the lock spring inward to unlock the CMA stopper
, see Figure 42.
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 Figure 43.
▶
Hold the CMA stopper, the crossbar and the CMA including cables in the
one hand.
▶
Remove the PSU (see Figure 44) and install the new PSU carefully.
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 "Removing a hot-plug PSU" on page 128.
Installing the new hot-plug PSU
▶
Install the PSU, see "Installing a hot-plug PSU" on page 123.
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 58.
▶
"Performing a fan test" on page 118.
6.4 Replacing the power distribution board
Field Replaceable Unit
(FRU)
Hardware: 40 minutes
Power supply unit (PSU)
130 Upgrade and Maintenance Manual RX4770 M5
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