I've solved this problem so many times and each time I have to figure it out again. You'd think I'd remember, but for some reason I don't. It could be because I mostly only play factorio drunk. The issue is that you've got a machine outputting more than one output and you're using the same stack inserter for two or more of them. You can deadlock on filling the stack inserter. So just now I made a blueprint of one of the solutions so that if I ask again and search, hopefully I'll find it here.
The solution is just the elements in the bottom right and the rest are so you can see it working. I know that I could do it with one fewer combinator, but I was toying with different strategies for the delay besides a simple countdown so I (kinda, for my weak reasoning) needed the extra inserter to allow for two separate timers. I anticipate wanting to toy with that idea when I forget and search again.
This is also my first time posting so forgive me if I botch the formatting... As I said, I only play factorio when I'm drunk.
It shouldn't matter, but I happened to make this while playing Space _Exploration_ rather than Space _Age_ (don't get me started on all the reason I think SE was better) so I don't have totally vanilla stack inserters, but I don't think that should matter for the blueprint string.
stalled by belt stacking?
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CricketScience
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CricketScience
- Manual Inserter

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- Joined: Thu Dec 25, 2025 9:56 pm
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Re: stalled by belt stacking?
I was also inspired to post because I tried using AI this time and was _extremely_ frustrated by the outcome.