Huawei FusionDC1000A - Replacing the Emergency Start;Abort Switch

Step 5 Install the new re alarm sounder.
Step 6 Switch on the active and standby power supplies to the re alarm control panel.
Step 7 Check that the new re alarm sounder is working properly.
NO TE
Unlock the re alarm control panel, and press the ALARM BELL key to trigger the re alarm
sounder.
----End
Follow-up Procedure
Dispose of the removed
re alarm sounder that is conrmed faulty.
4.4.9 Replacing the Emergency Start/Abort Switch
Prerequisites
A spare emergency start/abort switch of the same model is available and
functional.
Impact on the System
The
re extinguishing system stops working during the replacement.
Prerequisites
Tools: Phillips screwdriver,
at-head screwdriver, protective gloves
Material: spare emergency start/abort switch
Document:
re extinguishing device layout diagram (standard)
Skill requirement:
re engineer
NO TE
Before replacing the emergency start/abort switch, inform the related administration
department of the temporary downtime of the re extinguishing system. After the
replacement, inform the administration department that the system has become
operational.
Procedure
Step 1 Switch o the active and standby power supplies to the re alarm control panel.
Step 2 Use a Phillips screwdriver to remove the screws from the emergency start/abort
switch, as shown in Figure 4-76.
FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario) 4 Parts Replacement
Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd. 131