Procedure
Step 1 Switch o the active and standby power supplies to the re alarm control panel.
Figure 4-89 Switching o the active and standby power supplies
Step 2 Switch o the circuit breaker in the re extinguishing PDB.
Step 3 Use a Phillips screwdriver to remove the battery fastening plates.
Figure 4-90 Removing the battery fastening plates
Step 4 Remove the cables from the batteries, and take out the batteries.
Step 5 Remove all cables connected to the re alarm control panel terminals, and move
the corrugated pipes and cables outside of the pre-fab. module.
Keep labels on the cables intact so that cables can be connected to the correct terminals later.
Step 6 Remove the screws using a Phillips screwdriver, and take out the faulty re alarm
control panel.
FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario) 4 Parts Replacement
Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd. 141
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