Jeff- Sorry to hear about your frustration with Fronius. And thanks Bob-O for posting their tech support number.
Recently I had to get this number from AEE since it is not listed in the Fronius manuals.
A new installation with a pair of 11.4-3 phase Delta inverters refused to come up and detect the grid. A call to Barry at tech support solved the problem-- press the Menu button 5 times and enter a secret code number. This was of course undocumented in their manual. No reason for this kind of opaque secrecy.
But is there any other option for 240 VAC 3-phase Delta inverters? (Except for Sunny Tower with single phase inverters.) I'm about to buy some more for another new installation with the same service....
Thanks
Don Barch
Energy Solar
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