Huawei FusionModule1000A20 Maintenance Manual page 104

FusionModule1000A20 CT Solution
Maintenance Guide
Preparations
Tools: insulation tape, step ladder (2 m), Phillips screwdriver, flat-head screwdriver,
protective gloves
Materials: spare door status sensor
Documents: monitoring device layout diagram, management system initial configuration table
Skill requirement: extra low voltage (ELV) engineer
Procedure
Step 1 Open the container door where the door status sensor to be replaced is installed.
Step 2 Open the door status sensor box and disconnect the cable to remove the door status sensor to
be replaced.
Figure 5-27 Replacing a door status sensor
Step 3 Install a new door status sensor, and reconnect the cables.
Step 4 Check that the new door status sensor is working properly.
----End
Follow-up Procedure
Dispose of the removed door status sensor that is confirmed faulty.
Issue 01 (2019-02-25)
For the diagrams and tables, see the initial configuration parameter manual for the solution in use.
Obtain permission from the related administration department before opening a container door.
Open the door and check whether the management system reports an alarm indicating that the door was
opened. If yes, the door status sensor is working properly.
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5 Parts Replacement
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