FusionModule1000B Air-Cooled IT Solution
Maintenance Guide
6 Parts Replacement
Issue 02 (2017-01-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
139
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
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.
Switch on the power supply only after verifying that the cables are correctly connected.