Replacing An Internal Horn Strobe (Ce) - Huawei FusionModule 1000B Maintenance Manual

FusionModule1000B Air-Cooled IT Solution
Maintenance Guide
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Follow-up Procedure
Dispose of the removed warning sign indicator that is confirmed faulty.

6.5.4 Replacing an Internal Horn Strobe (CE)

Prerequisites
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Impact on the System
The fire extinguishing system stops working during the replacement.
Preparations
Tools: Phillips screwdriver, step ladder
Materials: spare horn strobe
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 screws from the horn strobe cover using a Phillips screwdriver, and remove the
cover.
Issue 02 (2017-01-10)
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).
A horn strobe needs to be replaced.
A spare horn strobe of the same model is available and functional.
For the diagrams, see the initial configuration parameter manual for the solution in use.
Before replacing the horn strobe, inform the related administrative departments of the
temporary downtime of the fire control system. After the replacement, inform the
administration department that the system has become operational.
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6 Parts Replacement
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