Huawei FusionModule1000A40 ICT Solution Maintenance Manual page 165

FusionModule1000A40 ICT Solution
Maintenance Guide
Impact on the System
The fire extinguishing system stops working during the replacement.
Preparations
Tools: Phillips screwdriver, protective gloves
Materials: spare extinguishant abort button
Documents: fire extinguishing device layout diagram (CE)
Skill requirement: fire engineer
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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 4-102 Removing the extinguishant abort button
Step 3 Disconnect the cables from the extinguishant abort button, and remove the panel of the
extinguishant abort button.
Issue 01 (2019-03-05)
For the diagrams, see the initial configuration parameter manual for the solution in use.
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.
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4 Parts Replacement
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