Follow-up Procedure
Dispose of the removed gas release indicator that is conrmed faulty.
4.4.6 Replacing a Fire Alarm Horn/Strobe
Prerequisites
A spare re alarm horn/strobe of the same model is available and functional.
Impact on the System
The
re extinguishing system stops working during the replacement.
Prerequisites
Tools: Phillips screwdriver, at-head screwdriver, step ladder
Material: spare re alarm horn/strobe
Document:
re extinguishing device layout diagram (standard)
Skill requirement: re engineer
Before replacing the re alarm horn/strobe, inform the related administration department
of the temporary downtime of the re extinguishing system. After the replacement, inform
the administration department that the system has become operational.
Procedure
Step 1 Switch
o the active and standby power supplies to the re alarm control panel.
Step 2 Pry open a seam at the top clip using a at-head screwdriver to separate the top
cover from the base.
Figure 4-72 Removing the
re alarm horn/strobe
FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario) 4 Parts Replacement
Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd. 127
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