FusionModule1000B Air-Cooled IT Solution
Maintenance Guide
3 O&M Description
Issue 02 (2017-01-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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3.3.3 Determining the Faulty Area and Alarm Severity
After receiving a fault alarm, determine the alarm severity immediately. If the alarm is critical,
troubleshoot by following instructions in
. If the alarm is not critical,
locate and handle the alarm by following instructions in
Critical alarms include the following:
Alarms that cause system shutdown
Alarms that result in equipment damage or affect equipment usage
Alarms that may result in serious results (such as fire or communication interruption)
3.3.4 Locating and Rectifying Faults
Locating Faults
Locate faults from the following aspects:
Component: Locate the component for which the alarm is generated, such as a UPS or an
air conditioner.
Module: Locate the faulty module after locating a faulty component, such as the UPS
controller or the air conditioner controller.
Alarm Handling
After locating the component or module for which the alarm is generated, rectify the fault.