Fronius Energy Package User Manual
Page 113
111
EN
Code
Description
Behaviour
Remedy
401
Unable to communicate with the power
stage set
The inverter will automati-
cally attempt to connect
again and, if possible, will
resume feeding energy into
the grid.
*)
406
DC module temperature sensor faulty
(PV)
407
AC module temperature sensor faulty
408
DC component measured in the grid too
high
412
Fixed voltage mode has been selected
instead of MPP voltage mode, and the
fixed voltage has been set to too low or
too high a value.
-
**)
415
Safety cut-out via option card or RECER-
BO has triggered
The inverter is not feeding
any energy into the grid.
*)
416
No communication possible between
power stage set and control system.
The inverter will automati-
cally attempt to connect
again and, if possible, will
resume feeding energy into
the grid.
*)
417
Hardware ID problem
The inverter will automati-
cally attempt to connect
again and, if possible, will
resume feeding energy into
the grid.
Update inverter firm-
ware; *)
420
Unable to communicate with system
monitoring
425
Unable to communicate with the power
stage set
426 -
427
Possible hardware fault
431,
432
Software problem
The inverter is not feeding
any energy into the grid.
Perform AC reset
(switch automatic circuit
breaker off and on
again); update inverter
firmware; *)
436
Functional incompatibility (one or more
PC boards in the inverter are not com-
patible with each other, e.g. after a PC
board has been replaced)
The inverter will automati-
cally attempt to connect
again and, if possible, will
resume feeding energy into
the grid.
Update inverter firm-
ware; *)
437
Power stage set problem
438
Functional incompatibility (one or more
PC boards in the inverter are not com-
patible with each other, e.g. after a PC
board has been replaced)
The inverter will automati-
cally attempt to connect
again and, if possible, will
resume feeding energy into
the grid.
Update inverter firm-
ware; *)
445
-
Compatibility error (e.g. due to re-
placement of a PC board)
-
Invalid power stage set configura-
tion
The inverter is not feeding
any energy into the grid.
Update inverter firm-
ware; *)
447
Insulation fault (PV or battery)
The inverter is not feeding
any energy into the grid.
*)
450
Guard cannot be found