V-TAC VT-6603105 Manuel D'instructions page 35

TROUBLESHOOTING
Table of Fault code
Fault code Message
A
A001 Input UV
A002 Bus UV
A003 Grid UV
A004 Grid OV
A005
Grid UF
A006
Grid OF
A007
Clock Fail
A009
Cmd Shut
A011 Grid Loss
E
E001 Input OV
E003 Bus OV
E004 Boost Fail
E005 Grid OC
E006 OTP
E007 Riso Low
E008 IGBT drv
E009
Int Comm
E010 ILeek Fail
E011 Relay Fault
E012
Fan Fail
E013 Eeprom
E014 Dc inject
Instruction
PV1 undervoltage
Input undervoltage
PV2 undervoltage
Bus undervoltage DC input
AC undervoltage Low voltage of the public grid
AC overvoltage High voltage of the public grid
AC underfrequency Low frequency of the public grid
AC overfrequency High frequency of the public grid
Clock alarm Wrong setting
Stop by the operation panel or
Manual stutdown
upper PC
The public grid Check if inverter AC connection is
disconnects. well
Input overvoltage DC input overvoltage
Bus overvoltage Internal bus voltage
Voltage-boost fault Voltage-boost fault of the inverter
AC overcurrent Internal AC overcurrent
Over temperature Internal over temperature
Low isolation Low isolation impedance of the
impedance external port system
IGBT drive IGBT drive protection of the
protection inverter
Master-slave DSP communication
Internal
disabled
communication
Error of master-slave DSP check
fault
bit
Huge leakage Huge leakage current of the
current system or inverter
Relay fault Internal relay fault
Fan fault Internal fan fault
Memory error Internal memory error
High DC injection during AC
High DC injection
output
Fault analysis
35