Alarm Name Alarm
Severity
Causes Suggestion
Battery module
high
temperature
Minor 1. The
installation
position is not
well ventilated.
2. The ambient
temperature is
too high.
3. The power
module does not
work properly.
1. Check the ventilation and
whether the ambient
temperature of the product
exceeds the upper threshold.
2. If the ventilation is poor or
the ambient temperature is
too high, improve the
ventilation and heat
dissipation.
3. If the ventilation and
ambient temperature are
normal, contact your dealer or
Huawei technical support.
Battery module
low
temperature
Minor 1. The ambient
temperature is
excessively low.
2. A battery
module is
abnormal.
1. Check whether the ambient
temperature at the installation
position is lower than the
lower threshold.
2. If the ambient temperature
is excessively low, improve the
installation environment.
3. If the alarm persists after
the ambient temperature
becomes normal, contact your
dealer or Huawei technical
support.
Battery module
short circuit
Major 1. A battery cable
is short-circuited.
2. A battery
module is
abnormal.
1. Turn o the solar
maintenance switch and AC
input switch.
2. Check the power cable
connection by referring to the
quick installation guide. If the
cable is damaged or short-
circuited, replace it.
3. After checking that cables
are correctly connected, turn
on the solar maintenance
switch and AC input switch in
sequence.
4. If the alarm persists, contact
your dealer or Huawei
technical support.
iSitePower-M (MAP05A1, MAB05B1)
User Manual 9 System Maintenance
Issue 02 (2021-12-30) Copyright © Huawei Digital Power Technologies Co., Ltd. 87
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