Replacing An Internal Horn Strobe (Ce) - Huawei FusionModule1000A40 ICT Solution Maintenance Manual

FusionModule1000A40 ICT Solution
Maintenance Guide
Figure 4-96 Removing screws
Step 3 Remove the cables from the warning signs, and label the cables.
Step 4 Remove the screws on the base using a Phillips screwdriver, and remove the base.
Step 5 Install the new warning sign base in the same way, and connect the cables.
Step 6 Install the warning sign cover.
Step 7 Switch on the input circuit breaker of the extinguishant control panel, and connect the battery
cables.
Step 8 Check whether the new warning sign indicator is working properly.
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Follow-up Procedure
Dispose of the removed warning sign indicator that is confirmed faulty.

4.4.2.4 Replacing an Internal Horn Strobe (CE)

Prerequisites
A spare horn strobe of the same model is available and functional.
Impact on the System
The fire extinguishing system stops working during the replacement.
Preparations
Tools: Phillips screwdriver, step ladder
Issue 01 (2019-03-05)
Pull up the reset button on the pneumatic switch to short-circuit the cables within to
simulate a warning sign.
If the warning sign turns on, the warning sign is working properly.
Press the reset button on the pneumatic switch.
Flip the key to Enable Control counterclockwise (rightward). Reset the extinguishant
control panel by pressing Reset on it. Then, reset key to Enable Control clockwise
(leftward).
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4 Parts Replacement
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