Huawei OceanStor Dorado V3 Series - Page 33

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 4-19. For details about
the indicators on different components, see Running/Alarm Indicators on a Dorado18000
V3 Controller Enclosure.
Figure 4-19 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.
1. Loosen the retention clip, as shown in step 1 in Figure 4-20.
Figure 4-20 Removing the AC power cable
2. Pull up the retention clip, as shown in a of step 2 in Figure 4-20.
3. Remove the AC power cable, as shown in b of step 2 in Figure 4-20.
Step 4 Press the latch on the inner side of the power module handle and pull out the power module,
as shown in Figure 4-21.
OceanStor Dorado V3 Series
Parts Replacement
4 Replacing CRUs
Issue 05 (2019-01-30) Copyright © Huawei Technologies Co., Ltd. 25