Class 6 Status Codes; Class 7 Status Codes - Fronius Symo Serie Instructions De Service

Code Description
573 Undertemperature warning
581 Setup "Special Purpose Utility-
Interactive" (SPUI) is activated
*) If state code persists: Contact a Fronius-trained service technician
**) If state code persists: Contact your system installer
Class 6 Status Class 6 status codes may require the intervention of a trained Fronius service technician.
Codes
Code Description
601 CAN bus is full
603 AC module temperature sensor faulty
(L3)
DC module temperature sensor faulty
604
607 RCMU fault
608 Function incompatibility (one or more PC
boards in the inverter are not compatible
with each other, e.g., after PC board re-
placement)
*) If status code persists: Contact a Fronius-trained service technician
**) Fault is corrected automatically. If this status code keeps recurring, contact your system
installer
Class 7 Status Class 7 status codes concern the inverter control unit, configuration and data recording,
Codes and can directly or indirectly affect grid power feed operation.
56
Behavior
Warning message on
the display
The inverter is no longer
compatible with stan-
dards IEEE1547 and
IEEE1574.1 because
the islanding function is
deactivated, frequency-
dependent power reduc-
tion is activated, and the
frequency and voltage
limits are being changed
Behavior
Inverter does not feed ener-
gy into the grid.
The inverter will automati-
cally attempt to connect
again and, if possible, re-
sume feeding energy into
the grid
Inverter does not feed ener-
gy into the grid.
Inverter does not feed ener-
gy into the grid.
Remedy
*)
No error!
Confirm the state code by pressing
the 'Enter' key
Remedy
Update inverter firm-
ware; *)
*)
Reset the status code by
pressing the "Enter" key.
The inverter resumes
feeding energy into the
grid; if the status code
keeps recurring, check
the entire affected pho-
tovoltaic system for any
damage; **)
Update inverter firm-
ware; *)