Solar Lattice

Mitigation

Storage drive reformatting

ID
mit:storage-drive-reformat
IRI
https://solarlattice.org/kb/mit/storage-drive-reformat
Status
active

Storage drive reformatting means formatting the USB flash drive used by the inverter again so that it has a file system the inverter can read. It applies to Fronius Symo status code 740, which reports an initialization error caused by a fault in the file system of the USB flash drive. While this code is active, the inverter shows a warning message on its display. First check the USB flash drive. Then reformat it on a PC to FAT12, FAT16 or FAT32. If the drive is not supported at all (status code 731), check the file system and, if needed, replace the drive. Reformatting does not fix every drive fault. Other drive errors call for removing and reinserting the drive, freeing up memory, removing write protection or replacing the drive.

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