Fronius Symo x.x-3-S Manuale d'uso
Pagina 47

45
EN
Class 4 status
codes
Some of the class 4 status codes necessitate intervention by a Fronius-trained service en-
gineer.
Code
Description
Behaviour
Remedy
401
No communication possible 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
AC module temperature sensor faulty
(L1)
407
AC module temperature sensor faulty
(L2)
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; *)
419
Unique ID conflict
420
No communication possible with the Hy-
bridmanager
421
HID range error
425
No communication with the power stage
set possible
426 -
428
Possible hardware fault
431
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; *)
443
Intermediate circuit voltage too low or
asymmetric
The inverter is not feeding
any energy into the grid.
*)
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; *)