Fronius IG TL inverter, error 301. Now think it is a relay fault

Investigating a Fronius IG inverter, looking at the features and testing the unit. Following the successful Solis inverter fix I now think that this is a relay problem. I no longer have th unit but the way forward would be to identify the relays and remove the covers and look at the contacts, see my Zettler solis relay fix, cheers

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