Isolation Fault Error Message on Inverter
Do you have an ‘Isolation Fault’ Error message appearing on the screen of your solar inverter? If this is the first time you have seen this Isolation Fault it may be very daunting. Let me assure you that generally, the news is not good! If your solar system is within 3 years old. It could possibly pass in the next few days. I say this because this has happened to my very system during periods of rainy wet weather. I got the Fronius State 475 error code up for a few days a couple of years ago, and never again. Weird, but it happened, I;ve also witnessed it a few other times since then too. Give it a few days of clear weather to dry everything out. What does the Isolation Fault on a solar inverter mean? If your Fronius inverter is throwing up a State 475 Error, or your….








