Module Alarm Name Alarm
Severity
Causes Suggestion
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.
6. For RCD detection circuit fault:
Clear the alarm on the mobile
app and check whether the alarm
is generated again. If yes, power
o and restart the system. Check
whether the detection circuit can
recover automatically after
power-o. If the fault persists,
contact technical support.
7. For output relay fault: When the
output relay is damaged, the
power supply to the relay is
abnormal, or the relay control
signal is abnormal, power
o and
then power on the system, and
check whether the alarm is
cleared.
8. For INV self-check fault: Power
o and then power on the
system and check whether the
alarm is cleared.
9. For RCD leakage current fault:
Check whether any AC input and
output cables (including cables to
the loads) of the system have
leakage current and whether the
cables are deteriorated or
damaged.
10.Power
o and then power on the
system and check whether the
alarm is cleared.
11.Contact technical support.
iSitePower-M (MAP05A1, MAB05B1)
User Manual 12 System Maintenance
Issue 06 (2023-04-24) Copyright © Huawei Digital Power Technologies Co., Ltd. 189
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