Huawei FusionModule 1000B Maintenance Manual page 147

FusionModule1000B Air-Cooled IT 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 Use a Phillips screwdriver to remove the screws from the emergency start/abort switch, as
shown in
Figure 6-55 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.
Issue 02 (2017-01-10)
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.
Figure 6-55.
Switch on the power supply only after verifying that the cables are correctly connected.
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6 Parts Replacement
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