Huawei iSitePower-M MAP05A1 User Manual page 193

iSitePower-M (MAP05A1, MAB05B1)
User Manual
Module Alarm Name
Power PV Module
Converter Fault
Power PV Module
Converter Abnormal
Shutdown
Power PV Reversely
Converter Connected
Issue 06 (2023-04-24)
Alarm
Severity
Major
Major
Major
Copyright © Huawei Digital Power Technologies Co., Ltd.
Causes Suggestion
A PV module 1. Relay fault: The relay is damaged,
fault, relay
fault, PV self-
check fault,
insulation fault,
or AFCI fault
occurs.
2. PV self-check fault: Disconnect
3. Insulation fault: Check whether
4. Contact technical support to
The PV side of 1. Power off and then power on the
the power
module shuts
down
2. Contact technical support to
unexpectedly.
The input 1. Check whether the positive and
power cable on
the PV side of
the power
module is in
reverse polarity.
2. Power off and then power on the
3. Contact technical support.
12 System Maintenance
the power supply to the relay is
abnormal, or the relay control
signal is abnormal. Power off and
then power on the system
(disconnect the input and loads,
and black start the battery).
Check whether the alarm is
cleared.
the PV input and reconnect it.
Check whether the alarm is
cleared.
PV modules, DC cables, and
connectors are damaged,
whether the insulation layer
deteriorates, and whether the
ambient humidity is high.
determine the alarm cause.
system and check whether the
alarm is cleared.
determine the alarm cause.
negative terminals of the PV
module are correctly connected
to the PV input ports on the
power module. If not, connect the
cables in correct polarity.
system and check whether the
alarm is cleared.
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