STATE 457
STATE 457
Grid voltage relay errory
Behaviors
Inverter does not feed current into the grid.
Status Code Class 4
Class 4 status codes (state codes that start with a four, i.e., 4xx), typically necessitate intervention by a Fronius-trained service technician.
STATE 457 applies to:
Primo
Galvo
Symo
IG Plus
CL
Solutions for this Error
Remedies
- Check AC breakers and switches are in the ON position. Check mains AC voltage and frequency at the inverter clamps (Qualified persons only). This error should automatically clear once the grid is back within an acceptable range. If the grid is within operating parameters and this error persists, the device may have an internal failure.
Get Help with this Error:
The best point of contact is your original installer
If the orginal installer is no longer available, contact a local Fronius Service Provider
DENVER RESIDENTS: Is your system located in the Denver, CO metro area? CONTACT US