● 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 ve 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 6-40. For details about the indicators on
dierent components, see
Running/Alarm Indicators on a 6 U Controller Enclosure.
Figure 6-40 Running/Alarm indicator on a power module
You can perform replacement only when a redundant power module exists and
the redundant power module is working properly.
Step 2 Wear an ESD wrist strap.
Step 3 Remove the power cable.
● Remove the AC power cable.
1. Loosen the retention clip, as shown in step 1 in Figure 6-41.
Figure 6-41 Removing the AC power cable
OceanStor V5 Series
Parts Replacement 6 Replacing CRUs
Issue 15 (2019-12-30) Copyright © Huawei Technologies Co., Ltd. 51