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Before replacing a power module, ensure that the other power module works properly.
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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.
Precautions
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Do not touch the connectors of a power module and a power cable.
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Remove and insert a power module with even force. Excessive force may damage the
appearance or connectors of the power module.
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Remove only one power module at a time.
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A power module must be replaced within three minutes. Otherwise, the system heat
dissipation is compromised.
Tools and Materials
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ESD wrist strap
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ESD bag
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Label
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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
. For details about the
indicators on different components, see
Running/Alarm Indicators on a Dorado5000 V3
.
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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Remove the AC power cable.
OceanStor Dorado V3 Series
Parts Replacement
4 Replacing CRUs
Issue 05 (2019-01-30)
Copyright © Huawei Technologies Co., Ltd.
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