Observe the PSU indicators to check the PSU operating status. For details about
the indicators, see 2.4 Indicators and Buttons.
Procedure
Step 1 Wear an ESD wrist strap. For details, see 1 Safety Instructions.
Step 2 Determine the cabinet number and chassis number of the server, and label its
panel to prevent misoperations.
Step 3 (Optional) If only one PSU is
congured, power o the server. For details, see 4.2
Powering
O the Server.
Step 4 Open the cable tie for the power cable.
● If the PSU has a velcro strap, undo the velcro strap. See (1) in Figure 7-10.
Then remove the power cable. See (2) in Figure 7-10.
Figure 7-10 Removing a power cable (secured with the PSU using a velcro
strap)
● If the PSU has a plastic clip, perform the following steps to remove the power
cable:
a. Open the lock of the plastic clip. See (1) a in Figure 7-11. Slide the
plastic clip away from the PSU socket. See (1) b in Figure 7-11.
RH2288H V3 Server
User Guide 7 Replacing Parts
Issue 46 (2022-12-28) Copyright © Huawei Technologies Co., Ltd. 158
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