Huawei iSitePower-M V100R002C00 - Page 180

Alarm Name Alarm
Severity
Causes Suggestion
Inverter
Module Fault
Major Inverter module
fault,
overvoltage/
undervoltage
fault, output
short circuit
lockout, overload
timeout lockout,
output relay
fault, INV self-
check exception,
internal
overtemperature
and lockout,
output open
circuit, inverter
zero crossing
loss, RCD
detection circuit
fault, RCD
leakage current
fault.
1. Power
o and then power
on the module. Check whether
the alarm is cleared. If yes, no
further action is required. If no,
go to the next step.
2. Contact Huawei technical
support to check the module
and return it to the factory for
repair.
Inverter
Module
Protected
Minor Inverter module
protection,
output short
circuit, overload
timeout, output
overvoltage/
undervoltage
protection,
parallel CAN
communication
failure, module
current
equalization
failure, industrial-
frequency
synchronization
cable fault,
carrier
synchronization
cable fault,
phase-lock
failure, INV_BPS
cable fault.
1. Power
o and then power
on the module. Check whether
the alarm is cleared. If yes, no
further action is required. If no,
go to the next step.
2. Contact Huawei technical
support to check the module
and return it to the factory for
repair.
iSitePower-M V100R002C00 User Manual
(MAP05A1, MAB05B1)
iSitePower-M V100R002C00 User Manual
(MAP05A1, MAB05B1) 10 System Maintenance
Issue 01 (2022-07-15) Copyright © Huawei Technologies Co., Ltd. 171