47
EN
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 Fro-
nius Datamanager
421 HID range error
425 Unable to communicate with the power
stage set
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; *)
447 Insulation fault
The inverter is not feeding
any energy into the grid.
*)448 Neutral conductor not connected
450 Guard cannot be found
Code Description Behaviour Remedy