CX400 M4
Upgrade and Maintenance Manual
83
Power supply unit (PSU)
6.2
Replacing the hot-plug PSU
V
CAUTION!
●
Replace the hot-plug PSU after specifying the one that breaks down
at work by revitalization.
●
Both hot-plug PSUs must be of the same type.
6.2.1
Preliminary steps
Perform the following procedures:
Ê
Check which hot-plug PSU is defective.
A hot-plug PSU is defective when the indicator on the hot-plug PSU lights up
orange.
I
For more information see section
"Indicator on hot-plug PSU" on
.
Ê
"Shutting down the server node" on page 40
Ê
Disconnect the power cord from the defective hot-plug PSU as described in
"Disconnecting the power cord" on page 41
.
The power supply of the server node need not be turned off.
Customer Replaceable Unit
(CRU)
Hardware: 5 minutes
Tools:
Preliminary and concluding steps: tool-less
Main steps: tool-less