Dono
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Dono reacted to riogrande75 in Infini 10kw 3 phase Firmware UpgradeYes, thats ok - don't worry.
From what I know of:
First there was a "NON-Parallel" version starting in 2015. Latest fw I'm aware of is from 2018.
Then 2016/09 they came up with a 10k version that was able to communicate with other devices in parallel (called ParallelA). On the type shields it was called PAR-B anyway. Latest fw 2020/04/02. This one is yours!
In 2018/09 voltronic changed something major in the hw, so devices starting with serial 96161809xxx and newer needed a different fw and are called "ParallelB". Latest fw I have is dated 2023/09.
Then 2021&2022 some series with total different cpu boards were produced due to covid related chip shortage. As there were so many firmware and hw problems, it's higly recommended to replace all boards of this series.
Right now they install new boards compatible with the 2018/09 boards.
Off course you can try to install brand new (2023) fw on your old device, but you will be probably flooded with fault messages (e.g. ERROR 50) because of missing hw components or sensors. Then you simply flash correct firmware again and your inverter is ok.