FusionModule1000A40 ICT Solution
Maintenance Guide
4 Parts Replacement
Issue 01 (2019-03-05)
Copyright © Huawei Technologies Co., Ltd.
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Step 2
Use a Phillips screwdriver to remove the screws from the emergency start/abort switch, as
shown in Figure 4-74.
Figure 4-74
Removing the emergency start/abort switch
Step 3
Pry the cover of the emergency start/abort switch from the base using a flat-head screwdriver
to separate them.
Step 4
Remove the cables using a flat-head screwdriver and label the cables.
Step 5
Remove the two screws on the base using a Phillips screwdriver, and remove the base.
Step 6
Install the base of the new emergency start/abort switch in the same position.
Step 7
Connect the cables to the new emergency start/abort switch using a flat-head screwdriver.
Ensure that the polarities of the cables are correct.
Switch on the power supply only after verifying that the cables are correctly connected.
Step 8
Use a Phillips screwdriver to tighten the screws at the upper and lower parts of the new
emergency start/abort switch.
Step 9
Switch on the active and standby power supplies to the fire alarm control panel.
Step 10
Check that the new emergency start/abort switch is working properly.
If the run indicator of the new emergency start/abort switch is on after power-on, the emergency
start/abort switch is working properly.
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