Troubleshooting - AEG AS-IC01-2 Series Installation Instructions Manual

50

7. Troubleshooting

This section describes the fault alarms and fault codes for quick troubleshooting.
Fault code
A
A001
A002
A003
A004
A005
A006
A007
A009
A011
E
E001
E003
E004
E005
E006
E007
E008
E009
E010
E011
E012
PD201808 AEG GRID-TIED THREE-PHASE SOLAR INVERTER (12-30 kW) V.2-18 EN
Message Instruction
Input UV Input undervoltage
Bus UV Bus undervoltage
Grid UV AC undervoltage
Grid OV AC overvoltage
Grid UF AC underfrequency
Grid OF AC overfrequency
Clock Fail Clock alarm
Cmd Shut Manual shutdown
Grid Loss The public grid disconnects.
Input OV Input overvoltage
Bus OV Bus overvoltage
Boost Fail Voltage-boost fault
Grid OC AC overcurrent
OTP Overtemperature
Riso Low Low isolation impedance
IGBT drv IGBT drive protection
Int Comm Internal communication fault
Leek Fail Huge leakage current
Relay Fault Relay fault
Fan Fail Fan fault
Fault analysis
PV1 undervoltage
PV2 undervoltage
DC input
Low voltage of the public grid
High voltage of the public grid
Low frequency of the public grid
High frequency of the public grid
Wrong setting
Stop by the operation panel or upper PC
Check if inverter AC connection is OK
DC input overvoltage
Internal bus voltage
Voltage-boost fault of the inverter
Internal AC overcurrent
Internal overtemperature
Low isolation impedance of the external
port system
IGBT drive protection of the inverter
Master-slave DSP communication disa-
bled
Error of master-slave DSP check bit
Huge leakage current of the system or
inverter
Internal relay fault
Internal fan fault
50