bony999 Posted August 22 Share Posted August 22 Hello All Having now fitted a new mppt to the above machine I am looking to upgrade the firmaware for the main from 00052.00 to what as far as I can see is the 74.04 version. I have never re flashed an inverter and would welcome some advice on the method to use and if the version stated 74.04 is the latest or the most appropriate to use. Above all I am interested to know if the later software as many bug fixes and changes to that which was originally loaded . The inverter is dated 08/22 so it is not the latest firmware but I want to ensure if I upgrade it that it will iron out any inherent issues. Previously I got an F12 warning and this then went to an error and the machine shut down. I was led to believe this was due to the mppt so I have accordingly changed the old one in the hope that this was in fact the case. If anyone has any suggestions or they can point me in the direction of a set of reasonable simple instructions to do this I would be very appreciative. As ever many thanks in advance Bony999 Quote Link to comment Share on other sites More sharing options...
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