Module Alarm Name Alarm
Severity
Causes Suggestion
Mains Mains Failure Minor A mains outage
occurs.
1. Check the AC voltage and
current, and rectify the power
grid fault.
2. Contact technical support to
determine the alarm cause.
Mains AC
Overvoltage
Minor 1. AC
overvoltage
occurs.
2. The alarm
threshold is
improperly
set.
1. If the alarm occurs accidentally,
the power grid may be abnormal
temporarily. The system
automatically recovers after
detecting that the power grid
becomes normal.
2. If the alarm occurs frequently,
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 >
Conguration >
Phase Overvoltage Alarm
Threshold
● Management system:
Navigate to the device and
choose Mains >
Conguration > Basic
Parameters > Phase
Overvoltage Threshold.
3. Check whether the peak voltage
of the power grid is too high. If
the fault occurs frequently and
persists for a long time, contact
the local power operator.
iSitePower-M (MAP05A1, MAB05B1)
User Manual 12 System Maintenance
Issue 06 (2023-04-24) Copyright © Huawei Digital Power Technologies Co., Ltd. 174