Replacing A Fire Alarm Sounder (Standard) - Huawei FusionModule 1000A40 Maintenance Manual

FusionModule1000A40 IT Solution
Maintenance Guide (2016.05, AI Version)
----End
Follow-up Procedure
Dispose of the removed fire alarm horn/strobe that is confirmed faulty.

5.4.5 Replacing a Fire Alarm Sounder (Standard)

Prerequisites
A spare fire alarm sounder of the same model is available and functional.
Impact on the System
The fire extinguishing system stops working during the replacement.
Preparations
Tools: needle-nose pliers, insulation tape, protective gloves, step ladder
Materials: spare fire alarm sounder, cord end terminals
Documents: fire extinguishing device layout diagram (standard)
Skill requirement: fire engineer


Procedure
Step 1 Switch off the active and standby power supplies to the fire alarm control panel.
Step 2 Push the fire alarm sounder out of the base.
Issue 04 (2018-01-05)
Unlock the fire alarm control panel and press HORN/STROBE. The fire alarm horn/strobe should be
activated.
For the diagrams, see the initial configuration parameter manual for the solution in use.
Before replacing the fire alarm sounder, inform the related administrative departments of
the temporary downtime of the fire extinguishing system. After the replacement, inform
the administration department that the system has become operational.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
5 Components Replacement
114