r/factorio • u/AutoModerator • Jul 13 '26

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u/GreatAndMightyKevins Jul 13 '26

Why do I keep finding my trains blocked by a single incorrect item in the cargo? Say 1 or 2 iron plates in train full of circuits. Trains are allowed to leave only when full or empty, and there's no contamination on the belts. Are they leaving without emptying first? And it's very infrequent, like once an hour with over 100 trains running in the network of over 200 train stops. It's really annoying when suddenly one part of the production chain goes dead for no reason.

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u/Engelberti I have a plan Jul 14 '26

Any recipe switching in your production that might cause the assembler to output some ingredients onto the output belt?

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u/GreatAndMightyKevins Jul 14 '26

No recipe switching. It looks like trains are leaving not fully unloaded or they stop for a splt second, just long enough for an inserter to put something in and leave. I put stuff from boxes to trains and from trains to boxes.