How can I get this crane to work correctly?

There are several issues with it atm, but most important right now is that I can’t get it to pick products as soon as they arrive. There are two product feeders that occasionally sends products its way. I want the crane to pick every product as soon as they come, but it always wait until both feeders have delivered their product. It then picks the last product to arrive first. How can I change this? I want it to pick everything immediately, in the order they arrive. I don’t understand what makes it wait.

CranePickUp.vcmx (373.0 KB)