FusionModule1000A40 IT Solution
Maintenance Guide (2016.05, AI Version)
5 Components Replacement
Issue 04 (2018-01-05)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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Follow-up Procedure
Dispose of the removed fire alarm sounder that is confirmed faulty.
5.4.6 Replacing the Emergency Start/Abort Switch (Standard)
Prerequisites
A spare emergency start/abort switch of the same model is available and functional.
Impact on the System
The fire extinguishing system stops working during the replacement.
Preparations
Tools: Phillips screwdriver, flat-head screwdriver, protective gloves
Materials: spare emergency start/abort switch
Documents: fire extinguishing device layout diagram (standard)
Skill requirement: fire engineer
For the diagrams, see the initial configuration parameter manual for the solution in use.
Before replacing the emergency start/abort switch, 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.
Procedure
Step 1
Switch off the active and standby power supplies to the fire alarm control panel.
Step 2
Use a Phillips screwdriver to remove the screws from the emergency start/abort switch, as
shown in