FusionModule1000A40 ICT Solution
Maintenance Guide
4 Parts Replacement
Issue 01 (2019-03-05)
Copyright © Huawei Technologies Co., Ltd.
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Step 4
Loosen the knob at the left of the ATS controller to remove the controller, as shown by (2)
and (3) in Figure 4-5.
Figure 4-5
Removing an ATS controller
Step 5
Connect the cables and tighten the knob.
Step 6
Reinstall the protective panel of the PDC.
Step 7
Switch on the upstream, input, and output circuit breakers of the PDC.
Step 8
Check that the new ATS controller is working properly.
After power-on, the Power indicator of the controller lights up.
Step 9
Switch on downstream circuit breakers of the PDC.
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4.1.8.2 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