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iSitePower-M V100R002C00
User Manual (MAP05A1, MAB05B1)
Alarm Name
Issue 03 (2022-10-28)
Alarm
Severi
ty
Copyright © Huawei Digital Power Technologies Co., Ltd.
Causes
Alarm
Locating
power off and
power on the
system again.
6. Output relay
fault: The
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 product,
and check
whether the
alarm is
cleared.
7. INV self-
check
abnormal:
Power off and
then power on
the product
and check
whether the
alarm is
cleared.
8. RCD leakage
current fault:
Check whether
the entire
power supply
loop (including
the load) of
the system has
leakage
current and
whether the
cables are
deteriorated or
damaged.
10 System Maintenance
Suggestion
145
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