Huawei FusionModule1000A40 ICT Solution Maintenance Manual page 128

FusionModule1000A40 ICT Solution
Maintenance Guide
Documents: fire extinguishing device layout diagram (standard)
Skill requirement: fire engineer
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Procedure
Step 1 Switch off the active and standby power supplies to the fire alarm control panel.
Step 2 Hold the smoke detector, and rotate it counterclockwise to remove it from the base.
Figure 4-62 Removing a smoke sensor
Step 3 Remove cables from the base using a Phillips screwdriver.
Step 4 Remove the screws on the base using a Phillips screwdriver, and remove the base.
Step 5 Install the new base to the same position, and reconnect the cables.
Issue 01 (2019-03-05)
For the diagrams, see the initial configuration parameter manual for the solution in use.
Before replacing the smoke detector, inform the related administration department of the
temporary downtime of the fire control system. After the replacement, inform the
administration department that the system has become operational.
As a terminal resistor is connected to the last smoke detector in the loop in parallel, remove the terminal
resistor from the faulty smoke detector, and connect the resistor to the new smoke detector when you
replace the smoke detector.
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4 Parts Replacement
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