Emergency Operations For Circuit Breaker Tripping; Emergency Operations For Overload - Huawei FusionModule 1000A40 Maintenance Manual

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FusionModule1000A40 IT Solution

Maintenance Guide (2016.05, AI Version)

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Step 3 Monitor the system running until the mains supply is stored and the system is working

properly.

----End

Follow-up Procedure

Analyze the cause of the fault, and work out and record the preventive measures.

6.2 Emergency Operations for Circuit Breaker Tripping

Prerequisites

A circuit breaker has tripped.

Procedure

Step 1 Promptly locate the control range of the circuit breaker that has tripped.

Step 2 Analyze the cause of the circuit tripping and switch on the circuit breaker as soon as possible.

----End

Follow-up Procedure

Analyze the cause of the fault, and work out and record the preventive measures.

Prerequisites

An overload alarm is generated.

Procedure

Step 1 Locate the cable or device based on the alarm information.

Step 2 Check the overloaded cable or device and locate the fault.

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Issue 04 (2018-01-05)

If the ATS switchover fails, manually switch the ATS to the other mains or DG supply,

and check whether all devices are working properly.

Important devices of the FusionModule1000 are powered by two power supplies. If one circuit breaker

trips, it does not affect the operation of importance devices. However, the situation needs to be handled

promptly to avoid jeopardizing the long term stable running of the equipment.

If the cable or device is seriously overloaded, immediately power off the device and its lower-level

devices.

Huawei Proprietary and Confidential

6 Emergency Operations

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