Figure 4-80 Securing the fastening plates
Step 7 Switch on the standby power supply to the re alarm control panel.
Step 8 Check that the new batteries are working properly.
If the BATTERY FAULT indicator on the re alarm control panel is o, the batteries are working
properly.
----End
Follow-up Procedure
Dispose of the removed
re alarm control panel batteries that are conrmed
faulty.
4.4.11 Replacing a Fire Cylinder
Prerequisites
A spare re cylinder of the same model is available and functional.
Impact on the System
The re extinguishing system stops working during the replacement.
Prerequisites
Tools: pallet truck, Phillips screwdriver, protective gloves, adjustable wrench
Materials: spare
re cylinder, sealing tape
Document: re extinguishing device layout diagram (standard)
Skill requirement: re engineer
FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario) 4 Parts Replacement
Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd. 135
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