445 Impermissible limit value settings - Safety limits are set incorrectly.

What does 445 mean?

The inverter's limit value settings are outside the permissible range, preventing it from feeding energy into the grid for safety reasons. This usually requires a firmware update.

• Incorrect or outdated safety limit configurations.
• Possibly after an update or manual setting change.

Click steps to track your progress.

1. 1

   Perform an AC reset by switching the automatic circuit breaker for the inverter off and then on again.

2. 2

   Update the inverter firmware to ensure all operating limits are set to standard, safe values.

3. 3

   If this status code persists, contact a Fronius-trained service technician.