FRU Replacement Guide
3 Controller Node Replaceable Units
38
3.5 Power Supply Unit Replacement Procedure
The power supply units (PSU) on a Controller Node are redundant hot-swappable
SuperMicro 1U 750w 74mm,
Platinum
.
Prerequisites
• Obtain a replacement PSU from HGST.
• Ensure that the other PSU connected to this node is working, before pulling out the defective one.
Required Tools
• Ladder
Time Estimate:
5 minutes.
To replace a PSU proceed as follows:
1.
Enable the location LED on the Controller Node.
a) In the CMC, navigate to
Dashboard
>
Administration
>
Hardware
>
Servers
>
Controller Nodes
.
b) Select the correct node.
c) In the
Commands
pane, click
Location LED On
.
A blue LED on its front and back panels is now blinking.
2.
Go to the rack and identify the correct chassis by the blinking blue LED on its front and back panels.
3.
On the back of the rack, identify the failed PSU on the node identified in the previous step.
In the image below, the PSUs are labeled
P1
and
P2
. The faulty PSU has an amber LED illuminated.
Figure 17: Controller Node, Back, with PSU Status LEDs Highlighted
4.
Remove the failed PSU.
a) Disconnect the power cord from the failed PSU
only
.
b) Push the red release tab towards the power connector of the failed PSU.
c) Pull the PSU out of the node using the grab handle.
5.
Install the replacement PSU.
a) Push the replacement PSU into the Controller Node, and listen for a click.
b) Connect the power cord to the replacement PSU.
6.
Disable the location LED on the Controller Node.
a) In the CMC, navigate to
Dashboard
>
Administration
>
Hardware
>
Servers
>
Controller Nodes
.
b) Select the desired Controller Node.
c) In the
Commands
pane, click
Location LED Off
.
