FusionModule1000A20 Prefabricated All-in-One Data
Center
Maintenance Guide
4 Parts Replacement
Issue 01 (2019-07-15)
Copyright © Huawei Technologies Co., Ltd.
75
Skill requirement: fire engineer
Procedure
Step 1
Turn off the upstream switch of the emergency light power cable.
Figure 4-40
Emergency light
Step 2
Remove the protective cover of the emergency light.
Step 3
Loosen the emergency panel using a flat-head screwdriver, and remove the panel.
Step 4
Remove screws from the emergency light base using a Phillips screwdriver, and remove the
base.
Step 5
Install the new emergency light base and the panel in the same way.
Step 6
Remove the red pin, and reinstall the protective cover.
Figure 4-41
Position of the red pin
Step 7
Turn on the upstream switch of the emergency light power cable.
Step 8
Press the red button on the emergency light to check whether the new emergency light is
working properly.
If the new emergency light turns on, it is working properly.