INVT iMars BG12KTR, Operation Manual

Page: 62 / 68

iMars grid-tied solar inverters Troubleshooting
60
Table 8-1 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
E009 Int Comm
Internal
communication fault
Master-slave DSP communication
disabled
Error of master-slave DSP check bit
E010 ILeek Fail
Huge leakage
current
Huge leakage current of the system
or inverter
E011 Relay Fault Relay fault Internal relay fault
E012 Fan Fail Fan fault Internal fan fault
E013 Eeprom Memory error Internal memory error
E014 Dc inject High DC injection High DC injection during AC output