STATE 453STATE 453
Grid voltage and power module do not match
Behaviors
The inverter will automatically attempt to connect again and, if possible, resume grid power feed operation
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 453 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.
- If this issue persists, the next steps include inspecting internal inverter components and their cabling by a trained Fronius Service Provider to further diagnose this specific issue. Defective components or the device itself may need to be replaced.
- Inverter Power Stage may need to be replaced
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
