INVT iMars MG Series User Manual

INVT iMars MG series grid-tied solar inverters Troubleshooting
Table 7-1 Fault code
Fault
code
Message Instruction Fault analysis
A
A001 Input UV Input undervoltage
PV1 undervoltage
PV2 undervoltage
A002 Bus UV Bus undervoltage DC input
A003 Grid UV AC undervoltage Low voltage of the public grid
A004 Grid OV AC overvoltage High voltage of the public grid
A005 Grid UF AC underfrequency Low frequency of the public grid
A006 Grid OF AC overfrequency High frequency of the public grid
A007 Clock Fail Clock alarm Wrong setting
A009 Cmd Shut Manual stutdown
Stop by the operation panel or upper
PC
A011 Grid Loss
The public grid
disconnects.
Check if inverter AC connection is
well
E
E001 Input OV Input overvoltage DC input overvoltage
E003 Bus OV Bus overvoltage Internal bus voltage
E004 Boost Fail Voltage-boost fault Voltage-boost fault of the inverter
E005 Grid OC AC overcurrent Internal AC overcurrent
E006 OTP Overtemperature Internal overtemperature
E007 Riso Low
Low isolation
impedance
Low isolation impedance of the
external port system
E008 IGBT drv
IGBT drive
protection
IGBT drive protection of the inverter
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INVT iMars MG Series Specifications

General

Brand	INVT
Model	iMars MG Series
Category	Inverter
Language	English