Huawei OceanStor Dorado V3 Series Parts Replacement page 20

OceanStor Dorado V3 Series
Parts Replacement
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Precautions
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Tools and Materials
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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
indicators on different components, see
Controller
Figure 4-1 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.
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Issue 05 (2019-01-30)
Before replacing a power module, ensure that the other power module works 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 properly.
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.
ESD wrist strap
ESD bag
Label
Phillips screwdriver
Enclosure.
Remove the AC power cable.
Copyright © Huawei Technologies Co., Ltd.
Figure
Running/Alarm Indicators on a Dorado5000 V3
4 Replacing CRUs
4-1. For details about the
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