Specifications
33 
Operating 
conditions 
In English  In German  In Italian  Description 
Output relay failure  Relay Failure  Relaisfehler  Err.relè 
The relay between inverter and grid is not 
functional 
Output DC injection too 
high 
DC INJ High  DC INJ zu hoch  Idc uscita alta  Output DC injection too high 
EEPROM problem  EEPROM Failure EEPROM Fehler Err.interno 02  EEPROM inside has data access problem
Communication failure 
between 
microprocessors 
SCI Failure  CPU Fehlfunktion Err.interno 03 
The communication between MCU inside is 
abnormal 
DC bus voltage is too 
high 
High DC Bus  Udc bus zu hoch Err.interno 04  The DC BUS inside is higher than expected
DC bus voltage is too 
low 
Low DC Bus  Udc bus zu klein Err.interno 05  The DC BUS inside is lower than expected
2.5V reference voltage 
inside prolem 
Ref 2.5V Fault  Uref fehlfunkt.  Err.interno 06  The 2.5V reference inside are abnormal 
Output DC sensor 
abnormal 
DC Sensor Fault DC Sensor Fehler Err.interno 07  The DC output sensor is abnormal 
GFCI detection 
problem 
GFCI Failure  FI-Fehler  Anomalia GFCI  The GFCI detection circuit is abnormal 










