INVT iMars BG5KTR

iMars grid-tied solar inverters Troubleshooting
59
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
E015
OutputShort
Output short-circuit
Output short-circuit
E018
Input OC
Input overcurrent
DC input overcurrent
E019
Incnst
Data consistency
fault
Inconsistent grid voltage, frequency,
leakage current or AC/DC injection
E020
PowerReversed
DC power reversed
DC power reversed