Huawei OceanStor V5 Series - Page 47

● Before replacing a power module, ensure that the other power module is
working properly.
● One BBU is installed in each power module. When a power module is being
replaced, ensure that the BBU in the other power module is working correctly.
Precautions
● Do not touch the connectors of a power module and a power cable.
● Remove and insert a power module with even force. Excessive force may
damage the appearance or connectors of the power module.
● Remove only one power module at a time.
● A power module must be replaced within three minutes. Otherwise, the
system heat dissipation is compromised.
Tools and Materials
● ESD wrist strap
● ESD bag
● Labels
● Phillips screwdriver
Procedure
Step 1 Perform a pre-replacement check.
Check whether there is a redundant power module and whether the Running/
Alarm indicator of the redundant power module is steady green, as shown in
Figure 6-22. For details about the indicators on
dierent components, see
Running/Alarm Indicators on a 2 U Controller Enclosure.
Figure 6-22 Running/Alarm indicator on a power module
NO TICE
You can perform replacement only when a redundant power module exists and
the redundant power module is working properly.
OceanStor V5 Series
Parts Replacement 6 Replacing CRUs
Issue 15 (2019-12-30) Copyright © Huawei Technologies Co., Ltd. 38