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Hi,
I have a system with the following:
The Fronius is connected on the Quattro output and now every time the grid falls, the Fronius runs for a couple of seconds then shuts down with error 105, high frequency. How do I rectify this?
Fronius is set to which MG?
Have you checked your settings against the recommended settings?
What is the frequency on the VRM or GX? Are you the installer? I have neot experienced the 105 personally. But i see here on the forums there are a few posts but no solutioms.
Please advise update all your firmware to the latest versions and please advise these fw numbers if the problem still occurs.
a copy of all your assistants and how the solar is setup and the size of the connected solar inputs
frequency usually changes when the batteries are full and the system is disconnected from the grid and the solar is making more power that what is being consumed so you have excess power with nowhere for it to go. so under these circumstances - the system needs to derate the grid tie unit.
so a lot more info is needed and maybe your installer can logon and help -
