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Reflashing frimware beginer

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Posted (edited)

Hi ..

I am maintaining a system for a client that had 2 mks inverters paralled for optaining a single phase system and asked to add a 3rd mks.

Error 71 accured and foynd out that firmware for inverters are as following 




And going back to compatability rule i realized that i nead to change at leat firmware 74.30 to 72.61 

And i asked a programer to do that for me and everything was o.k 

I need help to do that firmware updating by myself .. what are the tools and where can i dounload reflsh software and where can i find the firmware versions to download..  and can i back up a firmware from a inverter befir flashing incase things go wrong during flashing.







Edited by [email protected]
Adding some extra points of view

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