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iSitePower-M V100R002C00
User Manual (MAP05A1, MAB05B1)
Alarm Name
Inverter
Module
Protected
Issue 03 (2022-10-28)
Alarm
Severi
ty
Minor
Copyright © Huawei Digital Power Technologies Co., Ltd.
Causes
Alarm
Locating
Inverter
1. Output
module
overvoltage/
protection,
undervoltage
output
protection:
short
Check whether
circuit,
the inverter
overload
output voltage
timeout,
is within the
output
specified range
overvoltage
on the mobile
/
phone app or
undervoltag
using a
e
multimeter.
protection,
Power off and
parallel
then power on
CAN
the product,
communica
and check
tion failure,
whether the
module
alarm is
current
cleared.
equalization
2. Output
failure,
short circuit:
industrial-
Check whether
frequency
the load or
synchroniza
output cable is
tion cable
short-circuited.
fault, carrier
After the fault
synchroniza
is rectified, the
tion cable
alarm is
fault,
automatically
phase-lock
cleared.
failure,
3. Overload
INV_BPS
timeout: Check
cable fault.
whether the
output load
exceeds the
specifications
and whether
the product
runs with
overload for a
long time. Run
the product for
a period of
time within
the load range
in the
specifications
10 System Maintenance
Suggestion
1. Check whether the
alarm is cleared. If yes,
no further action is
required. If no, go to
the next step.
2. Power off and then
power on the system,
and check whether the
alarm is cleared. If yes,
no further action is
required. If no, go to
the next step.
3. Contact Huawei
technical support to
check the module.
146
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