No production. A shows energy export. Where could be the error.

No production. A shows energy export. Where could be the error.

Three phase.

Please let me know the specific installation and whether your system has solar PV output.

If you have solar inverter output, which phase?

From my experience, this is the most possible case.
"phase mismatch in the installation". please refer to the below link and check whether you have this problem.

https://www.iammeter.com/newsshow/blog-meter-accuracy#phase-mismatch-in-installation