FusionModule1000A20 Prefabricated All-in-One Data
Center
Maintenance Guide
4 Parts Replacement
Issue 01 (2019-07-15)
Copyright © Huawei Technologies Co., Ltd.
67
Before replacing the extinguishant abort button, 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
Disconnect the battery cables, and switch off the input circuit breaker of the extinguishant
control panel.
Step 2
Remove the screws on the panel of the extinguishant abort button using a Phillips
screwdriver.
Figure 4-32
Removing the extinguishant abort button
Step 3
Disconnect the cables from the extinguishant abort button, and remove the panel of the
extinguishant abort button.