FusionModule1000A20 Prefabricated All-in-One Data
Center
Maintenance Guide
4 Parts Replacement
Issue 01 (2019-07-15)
Copyright © Huawei Technologies Co., Ltd.
33
Figure 4-4
Removing an input switch
Step 7
Install the new ATS controller and secure it using screws.
Step 8
Reinstall the copper bars and cables.
Step 9
Reinstall the protective panel of the PDF.
Step 10
Turn on the upstream and output switches of the PDF.
Step 11
Check that the new ATS controller is working properly.
After power-on, the Power indicator of the controller lights up.
Step 12
Turn on downstream switches of the PDF.
----End
Follow-up Procedure
Dispose of the removed ATS controller that is confirmed faulty.
4.1.2.4 Replacing an MCB
Prerequisites
A spare MCB of the same model is available and functional.
The PDC switch must be turned off. Ensure that the power input is disconnected during replacement.
Impact on the System
None
Preparations
Tools: electroprobe, insulation gloves, flat-head screwdriver, Phillips screwdriver, multimeter
Materials: spare MCB