I have a train system transporting ore to where my main base will be built. I've seen that the ideal design is 7 unloading inserters per wagon. and I've built this design based on NegatveRoot's unloading train station, but one of the inserters isn't working.
Here it is:
![Image](http://i.imgur.com/gxM4FVp.png?1)
Some help on how to fix this would be appreciated.
PS: I use trains 1-4 if that's any use.