SmartACU2000B smart array controller
User Manual (with PID modules, 800 V AC)
7 System Maintenance
Issue 05 (2019-01-20)
Copyright © Huawei Technologies Co., Ltd.
93
Figure 7-5
Removing a faulty fuse
Step 3
Install the new fuse and close the knife fuse switch box.
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7.3.5 Replacing the Single-Phase Input Switch
Prerequisites
The single-phase input switch is faulty.
A spare single-phase input switch of the same model is available and functional.
Procedure
Step 1
Disconnect cables from the faulty single-phase input switch, and label the cables.
Step 2
Remove the faulty single-phase input switch.
Figure 7-6
Removing a faulty single-phase input switch
Step 3
Install the new single-phase input switch.
Step 4
Connect the cables to the new single-phase input switch based on the cable labels.
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