Internal fault (e.g. software)

What does 705 mean?

The Fronius Primo GEN24 208-240 inverter has detected an internal fault, specifically related to its software. This can lead to unexpected behavior, incorrect operation, or a complete system halt.

• Internal fault (e.g. software).

Click steps to track your progress.

1. 1

   Perform a full power cycle of the Fronius Primo GEN24 208-240 inverter by turning off both AC and DC disconnects, waiting a few minutes, then reapplying power.

2. 2

   Check for and apply any available firmware updates for the inverter, as software bugs are often resolved in newer versions.

3. 3

   If the error occurred after a recent configuration change, try reverting to previous settings or factory defaults (if safe and practical).

4. 4

   Monitor the inverter's event log for any specific diagnostic messages that might indicate the nature of the software issue.

5. 5

   If the fault persists after updating firmware and power cycling, collect system logs and contact Fronius service for in-depth software troubleshooting.