Fronius Agilo 75.0 - Manual (Page 95)

93
EN
Remedy Update the inverter firmware;
If the status code is displayed all the time: notify a Fronius-
trained service engineer
457
Mains relay sticking
Behaviour The inverter is not feeding any energy into the grid.
Remedy notify a Fronius-trained service engineer
459
Error when recording the measurement signal for the insulation test
Behaviour The inverter is not feeding any energy into the grid.
Remedy notify a Fronius-trained service engineer
460
Reference voltage source for the digital signal processor (DSP) is working out of toler-
ance
Behaviour The inverter is not feeding any energy into the grid.
Remedy If the status code is displayed all the time: notify a Fronius-
trained service engineer
461
Fault in the DSP data memory
Behaviour The inverter is not feeding any energy into the grid.
Remedy If the status code is displayed all the time: notify a Fronius-
trained service engineer
463
AC polarity reversed
Behaviour The inverter is not feeding any energy into the grid.
Remedy Update the inverter firmware
If the status code is displayed all the time: notify a Fronius-
trained service engineer
472
Fuse for solar module grounding is faulty
Behaviour The inverter is not feeding any energy into the grid.
Remedy Replace fuse for solar module grounding - notify a Fronius-
trained service engineer;
if this status code keeps recurring, contact your system engi-
neer
475
Solar module grounding, insulation fault (connection between solar module and ground)
Behaviour The inverter is disconnected from the grid for safety reasons.