Dc Psu - Huawei TaiShan 200 2280 Maintenance And Service Manual

TaiShan 200 Server
Maintenance and Service Guide (Model 2280)

5.7.2 DC PSU

Removing a DC PSU
Step 1 Wear an ESD wrist strap. For details, see
Step 2 Determine the rack number and chassis number of the server to be removed, and
label its panel to prevent misoperations.
Step 3 (Optional) Power off the server. For details, see
● When the server is fully configured with PSUs, if the other PSU is working
● When only one PSU is configured, removing the power cable without powering
Step 4 Remove the cables from the PSUs.
1.
2.
3.
Figure 5-27 Removing cables
Step 5 Press the latch on the PSU in the arrow direction, and pull the PSU out of the slot
by holding its handle.
Issue 04 (2020-01-16)
NO TICE
properly and the rated power is greater than or equal to the rated power of the
server, you can directly remove the PSU without powering off the server.
Removing all power cables without powering off the server may damage user
programs or unsaved data
off the server may damage user programs or unsaved data.
Turn off the circuit breaker for the DC PSUs.
Hold down the latches above the power cables to be removed using a flat-
head screwdriver, and remove the power cables. See (1) and (2) in
5-27.
Loosen and remove the screw from the ground hole using a Phillips
screwdriver, and remove the ground cable from the screw. See (3) in
5-27.
Copyright © Huawei Technologies Co., Ltd.
5 Removal and Installation
5.2 ESD Protection.
5.4.2 Powering Off the Server.
Figure
Figure
97