Replacing Access Control System Components; Replacing A Card Reader - Huawei FusionDC1000A Maintenance Manual

FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario)
Figure 4-58 Removing a point-type water sensor
Step 3 Install a new water sensor and tighten the screws.
The gap between the water sensor and the floor is 2 mm.
Step 4 Connect cables to the water sensor.
Step 5 Check that the new water sensor is working properly.
----End

4.3.8 Replacing Access Control System Components

4.3.8.1 Replacing a Card Reader

Prerequisites
A spare IC card reader of the same model is available and functional.
Impact on the System
None
Preparations
Tools: Phillips screwdriver, protective gloves
Materials: access card, spare IC card reader
Skill requirement: ELV engineer
Issue 01 (2021-04-20)
NO TE
NO TE
Drip a small amount of water onto the water sensor. If the monitoring software terminal
generates an alarm, the water sensor is working properly.
Copyright © Huawei Technologies Co., Ltd.
4 Parts Replacement
111