FusionModule1000A40 IT Solution
Maintenance Guide (2016.05, AI Version)
5 Components Replacement
Issue 04 (2018-01-05)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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Step 3
Install a new water sensor and tighten the screws.
Step 4
Connect cables to the water sensor.
Step 5
Check that the new water sensor is working properly.
Drip a small amount of water onto the water sensor. If the monitoring software terminal generates an
alarm, the water sensor is working properly.
----End
Follow-up Procedure
Dispose of the removed water sensor that is confirmed faulty.
5.3.2 Replacing a Door Status Sensor
Prerequisites
A door status sensor needs to be replaced.
A spare door status sensor of the same model is available and functional.
Impact on the System
None
Preparations
Tools: step ladder (2 m), Phillips screwdriver, small-sized flat-head screwdriver, protective
gloves
Materials: spare door status sensor
Documents: monitoring device layout diagram, initial configuration parameters for the
management system
Skill requirement: weak-current engineer
For the diagrams and tables, see the initial configuration parameter manual for the solution in use.
Procedure
Step 1
Open the pre-fab. module door where the door status sensor to be replaced is installed.
Obtain permission from the related administration department before opening a pre-fab. module door.
Step 2
Open the cover of the door status sensor, disconnect the cables, and remove the door status
sensor.