Smart filter Bitrix?

Question

CMS

When you set values ​​in a smart filter, they are reset.
As a result, no filtering takes place.
If you disable instant ajax filtering in the component settings, then filtering occurs in the filter, showing the number of products that match the parameters. But when you click on the filter button, the list of products does not change.

Answer 1

1. Are there any JS errors?
2.are you using the complex catalog component?

Answer 2

What is poured into the console? It looks like some errors with sending/processing requests. Possibly POST requests. In default templates of components plows?