Huawei iSitePower-M MAP05A1 User Manual page 183

iSitePower-M (MAP05A1, MAB05B1)
User Manual
Module Alarm Name
Mains Mains Failure
Mains AC
Overvoltage
Issue 06 (2023-04-24)
Alarm
Severity
Minor
Minor
Copyright © Huawei Digital Power Technologies Co., Ltd.
Causes Suggestion
A mains outage 1. Check the AC voltage and
occurs.
2. Contact technical support to
1. AC 1. If the alarm occurs accidentally,
overvoltage
occurs.
2. The alarm
threshold is
improperly
set. 2. If the alarm occurs frequently,
3. Check whether the peak voltage
12 System Maintenance
current, and rectify the power
grid fault.
determine the alarm cause.
the power grid may be abnormal
temporarily. The system
automatically recovers after
detecting that the power grid
becomes normal.
check whether the power grid
voltage is within the acceptable
range. If yes, change the
overvoltage alarm threshold on
the mobile app or management
system.
● FusionSolar app (local
commissioning): Home >
Mains > Configuration >
Phase Overvoltage Alarm
Threshold
● Management system:
Navigate to the device and
choose Mains >
Configuration > Basic
Parameters > Phase
Overvoltage Threshold.
of the power grid is too high. If
the fault occurs frequently and
persists for a long time, contact
the local power operator.
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