l Label
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 4-33. For details about
the indicators on different components, see Running/Alarm Indicators on a Data Switch.
Figure 4-33 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 Press the latch on the power module to release the handle and pull out the power module, as
shown in Figure 4-34.
Figure 4-34 Removing a power module
Step 4 Put the removed power module into an ESD bag.
OceanStor Dorado V3 Series
Parts Replacement
4 Replacing CRUs
Issue 05 (2019-01-30) Copyright © Huawei Technologies Co., Ltd. 35
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