Replacing The 24 V Dc Input And Output Switches - Huawei SmartACU2000B Series User Manual

SmartACU2000B smart array controller
User Manual (with PID modules, 800 V AC)
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7.3.14 Replacing the 24 V DC Input and Output Switches

Prerequisites
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Context
The 24 V DC input and output switches are replaced in the same manner. This section
describes how to replace a 24 V DC input switch.
Procedure
Step 1 Disconnect cables from the faulty 24 V DC input switch, and label the cables.
Step 2 Remove the faulty 24 V DC input switch.
Figure 7-20 Removing a faulty 24 V DC input switch
Step 3 Install the new 24 V DC input switch.
Step 4 Connect the cables to the new 24 V DC input switch based on the cable labels.
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Issue 05 (2019-01-20)
The 24 V DC input or output switch is faulty.
A spare 24 V DC input or output switch of the same model is available and functional.
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