Huawei iSitePower-M V100R002C00 - Page 178

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