Module Alarm Name Alarm
Severity
Causes Suggestion
choose AC Output
Distribution > Details >
Active Power.
5. For abnormal parallel CAN
communication (an alarm is
generated when the utility
frequency synchronization cable,
carrier synchronization cable, or
INV_BPS cable is abnormal):
Check whether the parallel CAN
cable is securely and correctly
connected and whether build-out
resistors are connected.
6. For abnormal module current
equalization: Check whether the
output power of each power
module is the same on the
mobile app (Check whether a
parallel CAN communication
abnormal alarm, utility frequency
synchronization cable abnormal
alarm, or carrier synchronization
cable abnormal alarm is
generated).
7. Power
o and then power on the
system and check whether the
alarm is cleared.
8. Contact technical support.
Power
Converter
Overtemperatu
re
Major The
temperature in
the module is
too high.
1. If the internal temperature of the
power module exceeds the
protection threshold, check
whether the ambient
temperature is too high or
whether the heat sink is blocked.
Disconnect loads, let the system
run for a period of time, and
check whether the alarm is
automatically cleared.
2. Power
o and then power on the
system and check whether the
alarm is cleared.
3. Contact technical support.
iSitePower-M (MAP05A1, MAB05B1)
User Manual 12 System Maintenance
Issue 06 (2023-04-24) Copyright © Huawei Digital Power Technologies Co., Ltd. 191
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