â–¶
Push the lock spring inward to unlock the CMA stopper
, see Figure 42.
CAUTION
â–¶
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.
â–¶
Remove the CMA stopper with the mounted crossbar
, see Figure 43.
â–¶
Hold the CMA stopper, the crossbar and the CMA including cables in the
one hand.
â–¶
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.
â–¶
Mount the complete assembly (CMA stopper, the crossbar and the CMA)
again into the rail.
Removing the defective hot-plug PSU
â–¶
Remove the PSU, see "Removing a hot-plug PSU" on page 128.
Installing the new hot-plug PSU
â–¶
Install the PSU, see "Installing a hot-plug PSU" on page 123.
Concluding steps
â–¶
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.
â–¶
"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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