Huawei iSitePower-M MAP05A1 User Manual page 198

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