133
g
412
The "fixed voltage" setting has been selected instead of MPP voltage operation and the
voltage is set to too low a value, or DC voltage exceeds allowable limits.
Description Fixed voltage lower than the current MPP voltage.
Remedy Remove excess solar modules so DC voltage fits within inverter
limits
If the status code persists: Contact a Fronius-trained service
technician
413
Control problems
Description The inverter briefly disconnects from the grid if AC voltage or
frequency are out of range.
Remedy If status code persists: Contact a Fronius-trained service tech-
nician
414
EEPROM faulty
Description Memory deleted
Remedy If status code persists: Contact a Fronius-trained service tech-
nician
416
Communication with IG Brain not possible.
Description The Operating Status LED lights up orange, then the inverter at-
tempts a restart.
Remedy If status code persists: Contact a Fronius-trained service tech-
nician
417
Two power stage sets have the same PC board number
Description The inverter stops feeding power into the grid, the display
shows a critical error via a red Operating Status LED
Remedy If status code persists: Contact a Fronius-trained service tech-
nician
419
Two or more power stage sets with an identical software serial number detected.
Description The inverter stops feeding power into the grid, the display
shows a critical error via a red Operating Status LED
Remedy If status code persists: Contact a Fronius-trained service tech-
nician
421
PC board number has been set incorrectly