102 Upgrade and Maintenance Manual
RX100 S8
Power supply
I 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 Unlock the CMA stopper.
Ê Remove the CMA stopper with the mounted crossbar.
Ê Support the CMA stopper, the crossbar and the CMA including cables
with your right hand.
Ê Remove the power supply unit and install the new power supply unit
carefully.
Ê Remount the complete assembly (CMA stopper, crossbar and CMA)
into the rail.
6.3.3.1 Preliminary steps
Ê "Locating the defective server" on page 43
Ê "Locating the defective component" on page 45
Ê Check which power supply unit is defective.
A power supply unit is defective when the indicator (1) in figure 221 lights
orange. For more information see section "Connectors and indicators" on
page 284.
Ê Only when replacing a power supply unit in a non-redundant configuration:
"Shutting down the server" on page 45
Ê Remove the power cord from the defective power supply unit as described
in section "Disconnecting the server from the mains" on page 46
6.3.3.2 Removing the defective hot-plug power supply unit
Ê Remove the power supply unit as described in section "Removing a hot-plug
power supply unit" on page 100.