STATE 309STATE 309
DC input voltage MPPT1 too high
Behaviors
Short interruption of grid power feed operation.
The inverter returns to the startup phase.
Status Code Class 3
Class 3 status codes (state codes that start with a three, i.e., 3xx), may occur while feeding energy into the grid, but generally do not cause the process to be interrupted permanently.
The inverter temporarily disconnects automatically from the grid, the grid is then monitored as specified and the inverter attempts to resume feeding energy into the grid.
STATE 309 applies to:
Primo
Galvo
Symo
CL
Solutions for this Error
Remedies
- Check DC cables at the inverter and ensure DC disconnects are in the ON position. Measure DC voltage, polarity, and isolation at the inverter clamps (Qualified Techs only).
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
