I don't use the recipe mod.
I missed that an oil gas signal is sent to the plant, which they perceive as a recipe. I reworked it a bit and everything worked out. Thanks for the tip.

I decided to set up an automatic oil refining system and that's what came of it.
I set the number of refineries that I connected to the comparing combinator. Water and oil are constantly supplied to each plant, and there are 3 pipes at the outlet. I ticked the "install recipe" box in each factory ...