Huawei iSitePower-M MAP05A1 - Page 184

Module Alarm Name Alarm
Severity
Causes Suggestion
Mains AC
Undervoltage
Minor 1. AC
undervoltag
e 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
undervoltage alarm threshold on
the mobile app or management
system.
● FusionSolar app (local
commissioning): Home >
Mains >
Conguration >
Phase Undervoltage Alarm
Threshold
● Management system:
Navigate to the device and
choose Mains >
Conguration > Basic
Parameters > Phase
Undervoltage Threshold.
3. If the fault persists for a long
time, check whether the cable
connection between the AC
switch and the AC port on the
device is normal.
iSitePower-M (MAP05A1, MAB05B1)
User Manual 12 System Maintenance
Issue 06 (2023-04-24) Copyright © Huawei Digital Power Technologies Co., Ltd. 175