Class 7 Status Codes - Fronius Symo 10.0-3 208-240 Instructions De Service

Code Description
601
CAN bus is full
607 RCMU fault
*) 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.
Code Description
701 - Provides information about the
716 internal processor status
721 EEPROM was reinitialized
722 - Provides information about the
730 internal processor status
Initialization error - USB stick is
731
not supported
Initialization error - overcurrent
732
on USB stick
733 No USB stick inserted
Update file is not detected or is
734
not available
Update file not suitable for de-
735
vice; update file too old
736 Write or read error occurred
File could not be opened
737
Log file could not be saved
738 (e.g., USB stick is write-pro-
tected or full)
740 Initialization error - error in
USB stick file system
Behavior
Inverter does not feed ener-
gy into the grid.
Inverter does not feed ener-
gy into the grid.
Behavior
Warning message on the
display
Warning message on the
display
Warning message on the
display
Warning message on the
display
Warning message on the
display
Warning message on the
display
Warning message on the
display; update process is
canceled
Warning message on the
display
Warning message on the
display
Warning message on the
display
Warning message on the
display
Remedy
Update inverter firm-
ware; *)
Reset the status mes-
sage by pressing the
"Enter" key. The inverter
restarts grid power feed
operation. **)
Remedy
*)
Acknowledge status code; *)
*)
Check or replace USB stick
Check USB stick file system; *)
Insert or check USB stick; *)
Check update file (e.g., for the
proper file name)
*)
Check update file;
If required, download the correct
update file for the device (e.g., at
http://www.fronius.com); *)
Check the USB stick and the files
on the USB stick or replace the
USB stick
Remove the USB stick only when
the "Data Transfer" LED is no lon-
ger flashing or lit; *)
Remove and reinsert the USB
stick; check or replace the USB
stick
Free up memory, remove write-
protection; if required, check or
replace USB stick; *)
Check USB stick; reformat it on a
PC to FAT12, FAT16, or FAT32
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