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iSitePower-M V100R002C00 User Manual
(MAP05A1, MAB05B1)
iSitePower-M V100R002C00 User Manual
(MAP05A1, MAB05B1)
Alarm Name
Overload
exceeding the
time limit
PV Module
Protected
PV Module
Fault
PV Module
Abnormal
Shutdown
PV Reversely
Connected
Issue 01 (2022-07-15)
Alarm
Causes
Severity
Major
AC overload
occurred.
Minor
PV module
protection, input
overvoltage/
undervoltage
protection, bus
overvoltage/
undervoltage
protection, PV
low irradiance,
internal
overtemperature.
Major
PV module fault,
relay fault, PV
self-check error,
insulation error,
AFCI fault.
Major
The PV module
shuts down
abnormally.
Major
The PV input
power cables are
reversely
connected.
Copyright © Huawei Technologies Co., Ltd.
10 System Maintenance
Suggestion
1. Manually clear the alarm on
the app.
2. Power off the system and
restart it.
3. If the alarm persists, contact
your dealer or Huawei
technical support.
1. Power off and then power
on the module. Check whether
the alarm is cleared. If yes, no
further action is required. If no,
go to the next step.
2. Contact Huawei technical
support to check the module
and return it to the factory for
repair.
1. Power off and then power
on the module. Check whether
the alarm is cleared. If yes, no
further action is required. If no,
go to the next step.
2. Contact Huawei technical
support to check the module
and return it to the factory for
repair.
1. Power off and then power
on the module. Check whether
the alarm is cleared. If yes, no
further action is required. If no,
go to the next step.
2. Contact Huawei technical
support to check the module
and return it to the factory for
repair.
1. Check whether the cables
are reversely connected.
If yes, connect the cables in
the correct polarity.
If no, contact Huawei technical
support.
169
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