4.4.13 Replacing an Emergency Light
Prerequisites
A spare emergency light of the same model is available and functional.
Impact on the System
None
Prerequisites
Tools: Phillips screwdriver,
at-head screwdriver, step ladder, protective gloves
Material: spare emergency light
Documents: none
Skill requirement: re engineer
Procedure
Step 1 Turn o the upstream switch of the emergency light power cable.
Step 2 Push the faulty emergency light upwards to separate the screw on the wall at its
rear from the emergency light.
Step 3 Remove the faulty emergency light and its cables.
Step 4 Reconnect the cables and install the new emergency light in the original position.
Step 5 Align the slot of the new emergency light with the screw on the wall, and pull
down the emergency light to secure it.
Step 6 Loosen the emergency panel using a
at-head screwdriver, and remove the panel.
Step 7 Remove screws from the emergency light base using a Phillips screwdriver, and
remove the base.
Step 8 Install the new emergency light base and the panel in the same way.
Step 9 Remove the red pin, and reinstall the protective cover.
Step 10 Turn on the upstream switch of the emergency light power cable.
Step 11 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.
----End
Follow-up Procedure
Dispose of the removed emergency light that is conrmed faulty.
FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario) 4 Parts Replacement
Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd. 143
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