745 Update file is faulty - Corrupted software update file.

What does 745 mean?

A warning message appears, and the update process is canceled because the update file itself is faulty or corrupted. This prevents the update from proceeding.

• The downloaded update file is corrupted.
• Incomplete download of the update file.
• Update file was damaged during transfer.

Click steps to track your progress.

1. 1

   Delete the current update file from your computer and re-download the update file from the official Fronius website.

2. 2

   Ensure a stable internet connection during download to prevent corruption.

3. 3

   Place the newly downloaded file on a freshly formatted USB stick and retry the update. If the code persists, contact a Fronius-trained service technician.