The State 475 Error Message on Fronius Galvo, Primo and Symo inverters are telling you that the inverter has detected a Ground Fault on the solar panel side of your solar system. This usually is due to moisture getting into the system somewhere. It could be moisture in the solar panels, plugs, cabling, or isolators either on the roof or beside the inverter – pretty much anywhere on the DC side of the system.
With the Fronius Galvo, Primo, Symo State 475 Error, we recommend you call a local accredited solar electrician to assist you further. First, however, you can do a quick visual on your solar system to see if you can see any damage to the system or moisture ingress.
Whether you locate a potential problem or not with a visual inspection, a Fronius STATE 475 error message will require the help of a local solar accredited electrician.
Fronius Galvo, Primo, Symo State 475 Error Message
The State 475 Error Message on the Fronius Galvo, Primo, or Symo inverters is your inverter telling you that it has detected a Ground Fault on the solar panel side of your solar system. The problem may be a few things which is why a solar accredited electrician is required to fault find on your solar system to work out what the problem is.
For further assistance with the STATE 475 message please complete the form above under the URGENT heading and we’ll assist you further.