This section describes the most common problems, that customers report, and how they can be resolved:
For example, you met the issue when the color filter is visible on some category pages and not visible on others.
In case if a specific category's filter consist of a single option and filtering by this option does not reduce this category's products amount, then our module skips such filters because they are useless.
Magento allows to configure price step setting on category and system levels.
So if the price filter shows a single range only for specific category, navigate to that category settings in Catalog > Categories section, open the tab Display Settings and verify the field Layered Navigation Price Step.
If all categories displays a single price range, then you should check the system level price step settings: