Thanks everyone, I got it working now. I understand what you mean about blocks now Kyralessa. I ended up implementing something similar to the picture given by Vortex1967.

So I've been tearing my hair out at this problem for a while now. Basically, you can see in the first picture that the train on the right is stopping at the signal its currently at because its red. I have no idea why this signal is red, and simply removing the signal makes the chain signal above it ...

Thanks, that works perfectly.

EDIT: found solution. So I have an existing save that I'm playing through at the moment. The mod I'm trying to tweak here is Angel's Refining (for my own personal use). Basically I'm trying to change values for some of the recipes in the .lua config files of the mod to put it in line with the marath...

The first is a common problem: Inserters don't always manage to compress the belt, it's basically a matter of the timing of earlier insertions of plates causing the gaps between plates to be narrower than a single plate but still>0. One way to fix this is to find the inserter(s) that aren't being a...

Here is the save file. I'm using some mods like bob's mods etc but the smelting setup is just a bunch of vanilla stone smelters and inserters so it should be fine.

Recently I've been having this problem with my copper plate transport belt that I've never seen before. Essentially the inserters aren't able to place the copper plate into the tiny spaces you see on the belt. Meanwhile, the iron plate belt seems to not have this problem. This seemed to happen rando...