Oh, logistic. Is there any indication on the entities that the logistic connection is activated separate from the circuit connection? As far as I'm aware, they both use that same "connection/indicator point". Perhaps that would be an useful improvement.

I tried this BP myself. I experience the same thing as the OP - once everything was placed (last placed items were the combinators), the condition showed up on the pump correctly (until then, the condition looked like Bilka's screenshot). But the pump was disabled even though it was receiving 2 blue ...