Dell EMC VxFlex Ready Node R840, Manual

Page: 157 / 218

Replacing a control panel
Control panels allow you to manually control the inputs to the server. In cases of a
suspected fault in a control panel, contact Customer Support. To replace a control
panel, you are required to perform the tasks in the following checklist in the order they
are listed.
Note
Before starting this FRU procedure, familiarize yourself with the topics in Important
information before performing a FRU procedure on page 56.
CAUTION
This FRU procedure requires you to perform mandatory software tasks in VxFlex
OS, as described in the
VxFlex Ready Node Field Replacement Unit Software Guide .
You will be referred to these mandatory software tasks in the following checklist.
Che
ck
List Task Topic - left control
panel Topic - right control
panel
Perform mandatory software tasks to prepare the node for part replacement:
☐ 1 Prepare the server for part
replacement. See "Gracefully shut down the node" in the VxFlex
Ready Node Field Replacement Unit Software Guide
.
Return to this guide for instructions on replacing the system component:
☐ 2 Remove the bezel. See Remove the front bezel on page 166.
☐
3 Disconnect the power cords
and I/O cables. See Disconnect the power cords and I/O cables on
page 164.
☐
4 Extend the system from the
cabinet. See Extend the system from the cabinet on page 164.
☐
5 Remove the system cover. See Remove the system cover on page 173.
☐
6 Remove the drive carrier. N/A See Remove the drive
carrier on page 69.
☐ 7 Remove the air shroud. See the relevant topic,
depending on your
system:
Remove the non-GPU air
shroud
on page 168
Remove the GPU air
shroud
on page 169
See Remove the non-GPU
air shroud on page 168.
Remove the GPU air
shroud
on page 169
☐
8 Remove the cooling fan
assembly. See Remove the cooling fan assembly on page 174.
☐
9 Remove the faulty control
panel. See Removing left control
panel on page 158.
See Removing right
control panel on page
160.
Hardware FRU procedures
Replacing a control panel 157