Faceted search - Price ranges

[AurelienS21]

Hi,

I'm working on Prestashop 8.0.4 and I'm encountering an issue with the 'faceted search' module.

I don't want to use the jQuery slider, so I've unchecked the box in the module configuration page.

The outcome is only one option, with a price range going from the cheapest product (750 €) to the most expensive (6500 €).
Obviously I would like to offer a few options, with less delta between the prices, e.g.

- 750 € to 1200 €
- 1200 € to 2000 €
- 2000 € to 4000 €
- 4000 € to 6500 €

Please can you help me ?

Here's the live preview : http://btzmlvg.cluster030.hosting.ovh.net/19-vin-gastronomie 

Many thanks.
Best regards, A.