
STATE 516
Communication with memory unit not possible
Legacy equipment: Status codes present for one of the power stage sets.
Behaviors
Warning message of memory unit
Legacy equipment: It is not possible to activate all power stage sets
Status Code Class 5
Class 5 status codes (state codes that start with a five, i.e., 5xx), do not generally interfere with feeding energy into the grid, but can cause restrictions. These status codes are displayed until they are acknowledged by pressing a key, however the inverter continues to operate normally in the background.
STATE 516 applies to:

Primo

Symo

IG Plus

CL

IG
Solutions for this Error
Remedies
- Check for other stored error codes
Additional Info
This error message typically indicates that there are a series of other error codes present, such as when an inverter attempts to connect to the grid every 5 minutes and produces a new code each time.
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