Huawei OceanStor Dorado V3 Series - Page 66

Precautions
l Do not touch rotating fan blades.
l Remove and insert a fan module with even force. Excessive force may damage the
connectors or appearance of the fan module.
l Remove only one fan module at a time.
l After removing a fan module, install a new one within two minutes. Otherwise, the
system heat dissipation is compromised.
Tools and Materials
l ESD wrist strap
l ESD bag
l Label
Procedure
Step 1 Perform a pre-replacement check.
Check whether there is a redundant fan module and whether the Running/Alarm indicator of
the fan module is steady green, as shown in Figure 4-61. For details about the indicators on
different components, see Running/Alarm Indicators on a Data Switch.
Figure 4-61 Running/Alarm indicator on a fan module
You can perform replacement only when a redundant fan module exists and the redundant fan
module is working properly.
Step 2 Wear an ESD wrist strap.
Step 3 Press the latch on the fan module to release the handle and pull out the fan module, as shown
in Figure 4-62.
OceanStor Dorado V3 Series
Parts Replacement
4 Replacing CRUs
Issue 05 (2019-01-30) Copyright © Huawei Technologies Co., Ltd. 58