AI on the edge - Config issue

I made a setup with ai on the edge https://github.com/jomjol/AI-on-the-edge-device to monitor my water usage. Everthing works fine so far, but if i have false readings they are sent to home assistant:

If i look at the data on the espn32 only the correct readings are saved:

Here my config:

Has anyone a advice for me?

Thx