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FusionModule1000A20 Prefabricated All-in-One Data
Center
Maintenance Guide
4.4.5 Replacing an External Horn Strobe (CE)
Prerequisites
A spare horn strobe is available and functional.
Impact on the System
The fire extinguishing system stops working during the replacement.
Preparations
Tools: Phillips screwdriver, step ladder
Materials: spare horn strobe, key to the control box
Document: fire extinguishing device layout diagram (CE)
Skill requirement: fire engineer
Procedure
Step 1 Disconnect the battery cables, and switch off the input circuit breaker of the extinguishant
control panel.
Step 2 Remove screws from the horn strobe using a Phillips screwdriver, and remove the cover.
Figure 4-29 Removing the cover
Step 3 Remove the cables to the horn strobe.
Issue 01 (2019-07-15)
Before replacing the horn strobe, inform the related administrative departments of the
temporary downtime of the fire control system. After the replacement, inform the
administration department that the system has become operational.
Copyright © Huawei Technologies Co., Ltd.
4 Parts Replacement
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