Huawei FusionModule1000A40 ICT Solution Maintenance Manual page 138

FusionModule1000A40 ICT Solution
Maintenance Guide
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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.
Figure 4-72 Removing a fire alarm sounder
Step 3 Cut off the power cables of the fire alarm sounder, as shown in Figure 4-73.
Figure 4-73 Cutting off the power cables
Issue 01 (2019-03-05)
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.
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4 Parts Replacement
131